In a simple rehearsal space tucked inside a Crown Hill community center, the cast of “Bohemia” stretches out in preparation for a rehearsal full of acrobatic lifts and acid-green feather fans.

Entry is usually £20 for adults and free for children under 10, but a standard seat for this game was £42, with a terrace spot costing £39; for children under 10, tickets were £29 and £25 ...