Brass Band, full-concert band and Orchestra Layout

Brass Band Layout

• 1 Soprano cornet in E♭
• 8-10 Cornets in B♭ (in separate parts for 'Solo', 'Repiano', 2nd and 3rd cornets; there are 4/5 players on the 'Solo' part, one 'Repiano', two 2nd, and two 3rd)
• 1 Flugelhorn in B♭ (notated on the same part as the 'Repiano' in some older music)
• 3 Horns in E♭ (called Solo, 1st and 2nd)
• 2 Baritone horns in B♭ (Each with separate parts)
• 2 Tenor trombones (notated in B♭, playing separate parts)
• 1 Bass trombone (the only brass instrument in the band notated in Concert Pitch (C) on Bass Clef)
• 2 Euphoniums in B♭ (Usually playing the same part with divisi sections)
• 4 Tubas (2 in E♭ and 2 in B♭, both notated in Treble Clef; often called Basses)
• 2 or 3 percussion players (with 2 or more timpani, glockenspiel, snare drum, triangle, cymbals, a drum kit and more)

http://www.grahamnasby.com/misc/concertband-instrumentation.shtml
full- concert band consists of

• 8-12 flute players
• first and a second oboe player
• english horn
• bassoon 
• Double-Bassoon
• one Eb clarinet
• 15 clarinetists
• alto clarinet
• bass clarinet