Explanation of Instrumentation

2222/4331/timp/3-4perc/harp/piano=Dx7/strings

This means (from left to right)

2 Flutes, underlined number means Flute 2 doubles on piccolo,
2 Oboes, underlined means Oboe 2 doubles on English Horn,
2 Clarinets, underlined means Clarinet 2 doubles on Bass Clarinet,
2 Bassoons (no underline, if there were, Bassoon 2 would double on Contra Bassoon)
/
4 Horns
3 Trumpets
3 Trombones
1 Tuba
/
timpani
/
3-4 percussion
/harp
/piano=Dx7
/strings

If a 0 appears in this configuration it means the instrument is not present
ie 2020/ (2 Flutes, no oboes, 2 Clarinets, no bassoons.)