A jazz band (or jazz ensemble) is a musical ensemble that plays jazz music usually without a conductor. Jazz bands usually consist of a rhythm section and a horn section. During the jazz and swing eras in the mid-twentieth century, the most successful jazz orchestras also employed strings and harp in expanded arrangements, but their presence on the bandstand was more for visual impact and not as a key component of the ensemble, although the unique timbres of the strings and harp combined with the band as a whole provided an extra layer of ear-pleasing sonorities. A musical ensemble is a group of two or more musicians who perform instrumental or vocal music. ... For other uses, see Jazz (disambiguation). ... For other uses, see Music (disambiguation). ... Rhythm section refers to the musicians whose primary jobs in a jazz or popular music band or ensemble is to establish the rhythm of a song or musical piece, often via repeated riffs or ostinati. ... In a symphony orchestra the horn section is the group of musicians who play the horn (sometimes referred to as the French horn). ...

The rhythm section of a jazz band consists of the percussion, double bass or bass guitar, and usually at least one instrument capable of playing chords, such as a piano, guitar, or vibes. Large early jazz bands such as Paul Whiteman’s employed two pianos and banjo. The rhythm section is the foundation for the band; it sets the feel for the piece. Rhythm section refers to the musicians whose primary jobs in a jazz or popular music band or ensemble is to establish the rhythm of a song or musical piece, often via repeated riffs or ostinati. ... Percussion instruments are played by being struck, shaken, rubbed or scraped. ... Side and front views of a modern double bass with a French bow. ... A sunburst-colored Precision Bass The electric bass guitar (or electric bass; pronounced , as in base) is a bass stringed instrument played with the fingers (either by plucking, slapping, popping, or tapping) or using a pick. ... Typical fingering for a second inversion C major chord on a guitar. ... A short grand piano, with the lid up. ... For other uses, see Guitar (disambiguation). ... A typical vibraphone. ... 1928 Columbia Records label with caricature of Paul Whiteman Paul Whiteman (March 28, 1890 – December 29, 1967) was a popular american orchestral leader. ... For other uses, see Banjo (disambiguation) The banjo is a stringed instrument developed by enslaved Africans in the United States, adapted from several African instruments. ...

The horn section consists of wind and brass instruments, which play the melody and main accompaniment. Typical horns found in a big jazz band include 4 to 5 trumpets, saxophones (2-3 altos, 2 tenors, and a baritone), 3-4 trombones, and a bass trombone. The saxophones may also double on flute, clarinet, bass clarinet and soprano saxophone, the trumpets on flugelhorn, and the bass trombone on tuba. In a symphony orchestra the horn section is the group of musicians who play the horn (sometimes referred to as the French horn). ... A wind instrument is a musical instrument that contains some type of resonator (usually a tube), in which a column of air is set into vibration by the player blowing into (or over) a mouthpiece set at the end of the resonator. ... Image of a trumpet, foreground, a piccolo trumpet behind, and a flugelhorn in background. ... Look up melody in Wiktionary, the free dictionary. ... A typical accompaniment pattern of a Mozart concert or aria. ... Trumpeter redirects here. ... The saxophone (colloquially referred to as sax) is a conical-bored instrument of the woodwind family. ... This article or section does not cite any references or sources. ... The tenor saxophone is a medium-sized member of the saxophone family, a group of instruments invented by Adolphe Sax. ... The baritone saxophone, often called bari sax (to avoid confusion with the baritone horn, which is often referred to simply as baritone), is one of the larger and lower pitched members of the saxophone family. ... A lip-reed aerophone with a predominantly cylindrical bore, the trombone is a musical instrument in the brass family. ... The trombone is a musical instrument in the brass family. ... â™  This article is about the family of musical instruments. ... Two soprano clarinets: a Bâ™­ clarinet (left, with capped mouthpiece) and an A clarinet (right, with no mouthpiece). ... The bass clarinet is a musical instrument of the clarinet family. ... The soprano saxophone is a variety of the saxophone, a woodwind instrument. ... A standard 3-valved Bb flugelhorn. ... For other uses, see Tuba (disambiguation). ...

MOST JAZZ BAND INSTRUMANTS ARE IN THE ORCHASTRA.

 INFO FROM A REAL BAND