Not known
Judges: Mary King, Gareth Valentine, Stacey Haynes, and Clive Paget (all stages), Julia McKenzie (final audition only)
Diverse for Channel 4, 3 November to 1 December 2003 (5 episodes in 1 series)
Follow-up to Operatunity, this time seeking people to star in the stage musical Chicago, albeit for one night only. This version of the format had a more solid round-by-round elimination process.
Rebecca Dent, Caroline Graham, Matthew Goodgame, Donna Hazelton and Warren Sollars
Diverse Productions' Musicality episode guide via archive.org
How Do You Solve a Problem Like Maria? took the concept a stage further.