The licensed orchestration follows the orchestration that was used in the West End production: three keyboards, bass, guitar, drums, percussion, two woodwind parts, two trumpets, trombone, and solo violin. The first keyboard part is played by the conductor. The bass part doubles on electric bass, double bass, fretless bass, and 5-string bass. The guitar doubles on electric, acoustic, nylon-string, Hollow Body archtop and 12-string guitars, as well as mandolin. The first woodwind part doubles on alto sax, flute, piccolo, clarinet, oboe (optional), and English horn (optional); the second part doubles on flute, clarinet, and baritone sax. Both trumpets double on flugelhorn and the trombone doubles on tenor and bass trombones.