J.S. Bach: Sinfonia from Cantata, BWV29, for Clarinet Octet

The music is an arrangement of the prelude from Bach's Partita for violin, BWV 1006 by himself, and is re-arranged by Tony BC Huang for Clarinet Octet.
Instrumentation:
D Clarinet (or A Clarinet 5)
A Clarinet 1,2,3,4
Basset Horn (or A Clarinet 6)
Bass Clarinet (or A Bass Clarinet)
Contrabass Clarinet (or Contra-Alto Clarinet) *Contra parts can be omitted.
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