E-flat clarinet
"The B-Sides" is scored for electronica and orchestra, comprising two flutes (1st doubling piccolo), two oboes (2nd doubling English horn), E-flat clarinet (doubling bass clarinet), two clarinets (2nd doubling bass clarinet), two bassoons, contrabassoon, four French horns, three trumpets, two trombones, bass trombone, tuba, three percussionists, harp, piano, strings.