instrumentation: Clarinet in Eb, 5 Clarinets in Bb, Alto Clarinet in Eb (or Clarinet in Bb 6), 2 Bass Clarinets in Bb, (optional Contr'alto Clarinet in Eb), (optional Contrabass Clarinet in Bb)
instrumentation: (Optional Clarinet in Eb), 3 Clarinets in Bb, Alto Clarinet in Eb (or Clarinet 4 in Bb), 2 Bass Clarinets in Bb, Contr'alto Clarinet in Eb (optional), Contrabass Clarinet in Bb (optional)