Clarinet Choir,Woodwind Ensemble Bass Clarinet,Bassethorn,Contra Alto Clarinet,E-Flat Clarinet - Level 5 - Digital Download SKU: A0.1433347 Composed by Louis Spohr. Arranged by Tony BC Huang. 19th Century,Chamber,Romantic Period. 199 pages. Tony BC Huang #1013638. Published by Tony BC Huang (A0.1433347). One of the brilliant but difficult clarinet concertos is arranged for Solo Clarinet and Clarinet Choir. The instrumentation is Solo Clarinet, E-flat Clarinet, B-flat Clarinet 1,2,3,4 (at least 2 stands), Alto Clarinet 1,2,3,4 (or Basset Horns), Bass Clarinet 1,2, and Contrabass Clarinet (or Contra-Alto Clarinet). It's a challeging work and enjoy it.