I myself typically use:
2 Piccolo Flutes
3 Flutes
2 Oboes (in C)
2 Oboes (in F)(aka English Horns)
3 Bb Clarinets
1 Bb Bass Clarinet
1 Bb Contrabass Clarinet
2-4 Bassoons
1-2 Contrabassoons
20 Horns in F
3-4 Bb Trumpets (or 3-4 Trumpet parts with 5 players on a part)
3-4 Tenor Trombones (or 3 Trombone parts with 3 players on a part)
1 Contrabass Trombone
4 Euphoniums
1 Tuba
Timpani (1-2 Players)
Percussion (normally Crash Cymbals, Tam Tam, and Bass Drum)
1-10 Harps (usually only playing 1 part)
Organ
sometimes Piano
Violins I and II
Violas
Violoncellos I and II
Contrabasses
