A musical ensemble, also known as a music group, is a group of people who perform instrumental or vocal music, typically known by a distinct name. In classical music, trios or quartets either blend the sounds of musical instrument families (such as piano, strings, and wind instruments) or group together instruments from the same instrument family, such as string ensembles or wind ensembles. In jazz ensembles, the instruments typically include wind instruments (one or more saxophones, trumpets, etc.), one or two chordal "comping" instruments (electric guitar, piano, or organ), a bass instrument (bass guitar or double bass), and a drummer or percussionist. In rock ensembles, usually called rock bands, there are usually guitars and keyboards (piano, electric piano, Hammond organ, synthesizer, etc.) and a rhythm section made up of a bass guitar and drum kit.
Classical chamber music
In Western classical music, smaller ensembles are called chamber music ensembles. The terms duet, trio, quartet, quintet, sextet, septet, octet, nonet and dectet describe groups of two up to ten musicians, respectively. A group of eleven musicians, such as found in The Carnival of the Animals, is called either a hendectet or an undectet (see Latin numerical prefixes). A solo is not an ensemble because it only contains one musician.
A string quartet usually consists of two violins, a viola and a cello. An upper string quartet features two violins and two violas. A lower string quartet features one viola, two cellos and a double bass.
A woodwind quartet usually features a flute, an oboe, a clarinet and a bassoon. A brass quartet features two trumpets, a trombone and a tuba. A wind quartet features a horn, a flute, an oboe and a bassoon. A lower wind quartet features a tuba, a bassoon, a bass clarinet and a trombone. A saxophone quartet consists of a soprano saxophone, an alto saxophone, a tenor saxophone, and a baritone saxophone.
The string quintet is a common type of group. It is similar to the string quartet, but with an additional viola, cello, or more rarely, the addition of a double bass. Terms such as "piano quintet" or "clarinet quintet" frequently refer to a string quartet plus a fifth instrument. Mozart's Clarinet Quintet is similarly a piece written for an ensemble consisting of two violins, a viola, a cello and a clarinet, the last being the exceptional addition to a "normal" string quartet.
Some other quintets in classical music are the wind quintet, usually consisting of flute, oboe, clarinet, bassoon and horn; the brass quintet, consisting of two trumpets, one horn, a trombone and a tuba; and the reed quintet, consisting of an oboe, a soprano clarinet, a saxophone, a bass clarinet, and a bassoon.
Six or more instruments
Classical chamber ensembles of six (sextet), seven (septet), or eight musicians (octet) are fairly common; use of latinate terms for larger groups is rare. In most cases a larger classical group is referred to as an orchestra of some type or a concert band. A small orchestra with fifteen to thirty members (violins, violas, four cellos, two or three double basses, and several woodwind or brass instruments) is called a chamber orchestra. A sinfonietta usually denotes a somewhat smaller orchestra (though still not a chamber orchestra). Larger orchestras are called symphony orchestras (see below) or philharmonic orchestras.
A pops orchestra is an orchestra that mainly performs light classical music (often in abbreviated, simplified arrangements) and orchestral arrangements and medleys of popular jazz, music theater, or pop music songs. A string orchestra has only string instruments, i.e., violins, violas, cellos and double basses.
A symphony orchestra is an ensemble usually comprising at least thirty musicians; the number of players is typically between fifty and ninety-five and may exceed one hundred. A symphony orchestra is divided into families of instruments. In the string family, there are sections of violins (I and II), violas, cellos (often eight), and basses (often from six to eight). The standard woodwind section consists of flutes (one doubling piccolo), oboes (one doubling English horn), soprano clarinets (one doubling bass clarinet), and bassoons (one doubling contrabassoon). The standard brass section consists of horns, trumpets, trombones, and tuba. The percussion section includes the timpani, bass drum, snare drum, and any other percussion instruments called for in a score (e.g., triangle, glockenspiel, chimes, cymbals, wood blocks, etc.).
A concert band is a large classical ensemble generally made up of between 40 and 70 musicians from the woodwind, brass, and percussion families, along with the double bass. The concert band has a larger number and variety of wind instruments than the symphony orchestra, but does not have a string section (although a single double bass is common in concert bands). The woodwind section of a concert band consists of piccolo, flutes, oboes (one doubling English horn), bassoons (one doubling contrabassoon), soprano clarinets (one doubling E♭ clarinet, one doubling alto clarinet), bass clarinets (one doubling contrabass clarinet or contra-alto clarinet), alto saxophones (one doubling soprano saxophone), tenor saxophone, and baritone saxophone. The brass section consists of horns, trumpets and/or cornets, trombones, euphoniums, and tubas. The percussion section consists of the timpani, bass drum, snare drum, and any other percussion instruments called for in a score (e.g., triangle, glockenspiel, chimes, cymbals, wood blocks, etc.).
When orchestras are performing baroque music (from the 17th century and early 18th century), they may also use a harpsichord or pipe organ, playing the continuo part. When orchestras are performing Romantic-era music (from the 19th century), they may also use harps or unusual instruments such as the wind machine. When orchestras are performing music from the 20th century or the 21st century, occasionally instruments such as electric guitar, theremin, or even an electronic synthesizer may be used.
In jazz, there are several types of trios. One type of jazz trio is formed with a piano player, a bass player and a drummer. Another type of jazz trio that became popular in the 1950s and 1960s is the organ trio, which is composed of a Hammond organ player, a drummer, and a third instrumentalist (either a saxophone player or an electric jazz guitarist). In organ trios, the Hammond organ player performs the bass line on the organ bass pedals while simultaneously playing chords or lead lines on the keyboard manuals. Other types of trios include the "drummer-less" trio, which consists of a piano player, a double bassist, and a horn (saxophone or trumpet) or guitar player; and the jazz trio with a horn player (saxophone or trumpet), double bass player, and a drummer. In the latter type of trio, the lack of a chordal instrument means that the horn player and the bassist have to imply the changing harmonies with their improvised lines.
Jazz quartets typically add a horn (the generic jazz name for saxophones, trombones, trumpets, or any other wind or brass instrument commonly associated with jazz) to one of the jazz trios described above. Slightly larger jazz ensembles, such as quintets (five instruments) or sextets (six instruments) typically add other soloing instruments to the basic quartet formation, such as different types of saxophones (e.g., alto saxophone, tenor saxophone, etc.) or an additional chordal instrument.
The lineup of larger jazz ensembles can vary considerably, depending on the style of jazz being performed. In a 1920s-style dixieland jazz band, a larger ensemble would be formed by adding a banjo player, woodwind instruments, as with the clarinet, or additional horns (saxophones, trumpets, trombones) to one of the smaller groups. In a 1940s-style Swing big band, a larger ensemble is formed by adding "sections" of like instruments, such as a saxophone section and a trumpet section, which perform arranged "horn lines" to accompany the ensemble. In a 1970s-style jazz fusion ensemble, a larger ensemble is often formed by adding additional percussionists or sometimes a saxophone player would "double" or "triple" meaning that they would also be proficient at the clarinet, flute or both. Also by the addition of soloing instruments.
Rock and pop bands
Two-member rock and pop bands are relatively rare, because of the difficulty in providing all of the musical elements which are part of the rock or pop sound (vocals, chords, bass lines, and percussion or drumming). Two-member rock and pop bands typically omit one of these musical elements. In many cases, two-member bands will omit a drummer, since guitars, bass guitars, and keyboards can all be used to provide a rhythmic pulse.
Examples of two-member bands are Japandroids, The Lightning Strikers, Local H, Pet Shop Boys, Hella, Flight of the Conchords, Death from Above 1979, Francis Xavier, I Set My Friends On Fire, Middle Class Rut, The Pity Party, Little Fish, The White Stripes, Big Business, Two Gallants, Lightning Bolt, The Ting Tings, The Black Box Revelation, Satyricon, The Black Keys, Tenacious D, Simon and Garfunkel, Hall & Oates, Johnossi, The Pack A.D. and Royal Blood.
When electronic sequencers became widely available in the 1980s, this made it easier for two-member bands to add in musical elements that the two band members were not able to perform. Sequencers allowed bands to pre-program some elements of their performance, such as an electronic drum part and a synth-bass line. Two-member pop music bands such as Soft Cell, Blancmange and Yazoo used pre-programmed sequencers. Other pop bands from the 1980s which were ostensibly fronted by two performers, such as Wham!, Eurythmics and Tears for Fears, were not actually two-piece ensembles, because other instrumental musicians were used "behind the scenes" to fill out the sound.
Two-piece bands in rock music are quite rare. However, starting in the 2000s, blues-influenced rock bands such as The White Stripes and The Black Keys utilized a guitar and drums scheme. However, this is predated by the Flat Duo Jets and House of Freaks from the 1980s. Death from Above 1979 featured a drummer and bass guitarist. Tenacious D is a two-guitar band; One Day as a Lion and The Dresden Dolls both feature a keyboardist and a drummer. The band Welk consists of a two-man psychedelic flute band, with the occasional synthesizer. Two-person bands have grown in popularity in experimental rock music.
W.A.S.P. guitarist Doug Blair is also known for his work in the two-piece progressive rock band signal2noise, where he acts as the lead guitarist and bassist at the same time, thanks to a special custom instrument he invented (an electric guitar with five regular guitar strings paired with three bass guitar strings). Heisenflei of Los Angeles duo The Pity Party plays drums, keyboards, and sings simultaneously. Providence-based Lightning Bolt is a two-member band. Bassist Brian Gibson augments his playing with delay pedals, pitch shifters, looping devices and other pedals, occasionally creating harmony. Local H, Blood Red Shoes, PS I Love You, The Redmond Barry's and Warship are other prominent two-person experimental rock bands.
Founded in 2013 Royal Blood is an unusual example of a two-piece band that utilise bass and drums, relying on extensive use of effects to produce a 'full' sound.
The smallest ensemble that is commonly used in rock music is the trio format. In a hard rock or blues-rock band, or heavy metal rock group, a "power trio" format is often used, which consists of an electric guitar player, an electric bass guitar player and a drummer, and typically one or more of these musicians also sing (sometimes all three members will sing, e.g. Bee Gees or Alkaline Trio). Some well-known power trios with the guitarist on lead vocals are The Jimi Hendrix Experience, Stevie Ray Vaughan and Double Trouble, Nirvana, Violent Femmes, Gov't Mule, The Minutemen, Triumph, Shellac, Sublime, Chevelle, Muse, The Jam, Short Stack, and ZZ Top.
A handful of others with the bassist on vocals include Primus, Motörhead, The Police, The Melvins, MxPx, Blue Cheer, Rush, The Presidents of the United States of America, Venom, and Cream.
Some power trios feature two lead vocalists. For example, in the band blink-182 vocals are split between bassist Mark Hoppus and guitarist Tom DeLonge, or in the band Dinosaur Jr., guitarist J. Mascis is the primary songwriter and vocalist, but bassist Lou Barlow writes some songs and sings as well.
An alternative to the power trio are organ trios formed with an electric guitarist, a drummer and a keyboardist. Although organ trios are most commonly associated with 1950s and 1960s jazz organ trio groups such as those led by organist Jimmy Smith, there are also organ trios in rock-oriented styles, such as jazz-rock fusion and Grateful Dead-influenced jam bands such as Medeski Martin & Wood. In organ trios, the keyboard player typically plays a Hammond organ or similar instrument, which permits the keyboard player to perform bass lines, chords, and lead lines, one example being hard rock band Zebra. A variant of the organ trio are trios formed with an electric bassist, a drummer and an electronic keyboardist (playing synthesizers) such as the progressive rock band Emerson, Lake & Palmer, Triumvirat, and Atomic Rooster. Another variation is to have a vocalist, a guitarist and a drummer, an example being Yeah Yeah Yeahs. Another variation is two guitars, a bassist, and a drum machine, examples including Magic Wands and Big Black.
A band putting an alternative spin on the organ trio is Mini Mansions, who feature drummer, Michael Shuman, standing front and centre as their frontman. Shuman does not use a bass drum, but instead incorporates electronic drum pads into his kit. The band also features a keyboardist, Tyler Parkford, and a bass player, Zach Dawes. Parkford and Shuman share lead vocal duties, occasionally duetting, or handing off vocal duties to a guest vocalist such as Alex Turner or Fred Schneider. Shuman will also occasionally play lead guitar, utilising a relay-like system, in which he will begin the drum part himself, passing the 'baton' to a drum machine while playing guitar riffs and/or solos, then returning to his kit when finished. Dawes will also occasionally switch with Shuman, and play drums while Shuman plays guitar or bass.
A power trio with the guitarist on lead vocals is a popular record company lineup, as the guitarist and singer will usually be the songwriter. Therefore, the label only has to present one face to the public, the backing band is easy to house, and the songs will likely stay simple and accessible as the frontman will have to sing and play guitar at the same time.
The four-piece band is the most common configuration in rock and pop music. Before the development of the electronic keyboard, the configuration was typically two guitarists (a lead guitarist and a rhythm guitarist, with one of them singing lead vocals), a bassist, and a drummer(e.g. The Beatles, KISS, Jackyl, Metallica, The Clash, Creedence Clearwater Revival, The Kinks, The Fray, Sonic Youth, The Smashing Pumpkins, Arctic Monkeys, Franz Ferdinand). This is popular with bands for its versatility.
Another common formation was a vocalist, electric guitarist, bass guitarist, and a drummer (e.g. The Who, The Monkees, Led Zeppelin, Queen, Ramones, Sex Pistols, Red Hot Chili Peppers, R.E.M., Blur, The Smiths, Echo and the Bunnymen, The Stone Roses, Creed, Black Sabbath, Van Halen, Rage Against the Machine, Gym Class Heroes, The Stooges, Joy Division, and U2). Instrumentally, these bands can be considered as trios. This format is popular with new bands, as there are only two instruments that need tuning, the melody and chords formula prevalent with their material is easy to learn, four members are commonplace to work with, the roles are clearly defined and generally are: instrumental melody line, rhythm section which plays the chords and/or countermelody, and vocals on top.
In some early rock bands, keyboardists were used, performing on piano (e.g. The Seeds and The Doors) with a guitarist, singer, drummer and keyboardist. Some bands will have a guitarist, bassist, drummer, and keyboard player (for example, Talking Heads, Gerry and the Pacemakers, Small Faces, King Crimson, The Guess Who, Pink Floyd, Queen, Coldplay, The Killers and Blind Faith).
Some bands will have the bassist on lead vocals, such as Thin Lizzy, The Chameleons, Skillet, Pink Floyd, Motörhead, NOFX, +44, Slayer, The All-American Rejects or even the lead guitarist, such as Death, Dire Straits, Megadeth and Creedence Clearwater Revival. Some bands, such as The Beatles, have a lead guitarist, a rhythm guitarist and a bassist that all sing lead and backing vocals, that also play keyboards regularly, as well as a drummer. Others, such as The Four Seasons, have a lead vocalist, a lead guitarist, a keyboard player, and a bassist, with the drummer not being a member of the band.
Five-piece bands have existed in rock music since the development of the genre. The Beach Boys, The Rolling Stones (until 1993), Aerosmith, Def Leppard, AC/DC, Oasis, Pearl Jam, Guns N' Roses, Radiohead, The Strokes, The Yardbirds, 311 and The Hives are examples of the common vocalist, lead guitar, rhythm guitar, bass, and drums lineup. An alternative to the five-member lineup replaces the rhythm guitarist with a keyboard–synthesizer player (examples being the bands Journey, Elbow, Dream Theater, Genesis, Jethro Tull, Kasabian, The Zombies, The Animals, Bon Jovi, Yes, Snow Patrol, Fleetwood Mac, Marilyn Manson and Deep Purple, all of which consist of a vocalist, guitarist, bassist, keyboardist, and a drummer) or with a turntablist such as Deftones, Hed PE, Incubus or Limp Bizkit.
Alternatives include a keyboardist, guitarist, drummer, bassist, and saxophonist, such as The Sonics, The Dave Clark 5, and Sam the Sham and the Pharaohs. Another alternative is three guitarists, a bassist and a drummer, such as Radiohead and The Byrds. Some five-person bands feature two guitarists, a keyboardist, a bassist and a drummer, with one or more of these musicians (typically one of the guitarists) handling lead vocals on top of their instrument (examples being Children of Bodom, Styx, Sturm und Drang, Relient K, Ensiferum and the current line up of Status Quo). In some cases, typically in cover bands, one musician plays either rhythm guitar or keyboards, depending on the song (one notable band being Firewind, with Bob Katsionis handling this particular role).
Other times, the vocalist will bring another musical "voice" to the table, most commonly a harmonica or percussion; Mick Jagger, for example, played harmonica and percussion instruments like maracas and tambourine. Ozzy Osbourne was also known to play the harmonica on some occasions (i.e. "The Wizard" by Black Sabbath). Vocalist Robert Brown of lesser known steampunk band Abney Park plays harmonica, accordion, and darbuka in addition to mandolin. Flutes are also commonly used by vocalists, most notably Ian Anderson of Jethro Tull and Ray Thomas of the Moody Blues.
A less common lineup is to have lead vocals, two guitarists of varying types and two drummers, e.g. Adam and the Ants.
Larger rock ensembles
Larger bands have long been a part of rock and pop music, in part due to the influence of the "singer accompanied with orchestra" model inherited from popular big-band jazz and swing and popularized by Frank Sinatra and Ella Fitzgerald.To create larger ensembles, rock bands often add an additional guitarist, an additional keyboardist, additional percussionists or second drummer, an entire horn section, and even a flautist. An example of a six-member rock band is Toto with a lead vocalist, guitarist, bassist, two keyboard players, and drummer. The American heavy metal band Slipknot is composed of nine members, with a vocalist, two guitarists, a drummer, a bassist, two custom percussionists, a turntablist, and a sampler.
In larger groups (such as The Band), instrumentalists could play multiple instruments, which enabled the ensemble to create a wider variety of instrument combinations. More modern examples of such a band are Arcade Fire and Edward Sharpe and the Magnetic Zeros. More rarely, rock or pop groups will be accompanied in concerts by a full or partial symphony orchestra, where lush string-orchestra arrangements are used to flesh out the sound of slow ballads.
Some groups have a large number of members that all play the same instrument, such as guitar, keyboard, horns or strings.
Sung dramas such as operas and musicals usually have numbers where several of the principals are singing together, either on their own or with the chorus. Such numbers (duets, trios, etc.) are also referred to as 'ensembles'.
Other western musical ensembles
A choir is a group of voices. By analogy, sometimes a group of similar instruments in a symphony orchestra are referred to as a choir. For example, the woodwind instruments of a symphony orchestra could be called the woodwind choir.
A group that plays popular music or military music is usually called a band; a drum and bugle corps is a type of the latter. These bands perform a wide range of music, ranging from arrangements of jazz orchestral, or popular music to military-style marches. Drum corps perform on brass and percussion instruments only. Drum and Bugle Corps incorporate costumes, hats, and pageantry in their performances.
Other band types include:
- Brass bands: groups consisting of around 30 brass and percussion players;
- Jug bands;
- Mexican Mariachi groups typically consist of at least two violins, two trumpets, one Spanish guitar, one vihuela (a high-pitched, five-string guitar), and one Guitarrón (a Mexican acoustic bass that is roughly guitar-shaped), and one or more singers.
- Marching bands and military bands, dating back to the Ottoman military bands.
- All-female band
- Boy band
- Girl group
- Live band karaoke
- Percussion ensemble
Raynor, Henry (1978). The Orchestra: a history. Scribner. p. . ISBN 0-684-15535-4. delete character in
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