Category: Diegetic status of the number
Definition: Rehearsal, any kind of practising, lesson, audition, film shooting, any recording process if the sound is not mediatised yet (disc, radio, TV). Includes rehearsals transforming into stage performances. Also includes: dancing or singing lessons, numbers based on a diegetic situation like a gymnastics lesson.
Example: “Too Darn Hot” (Kiss Me, Kate) - Film shooting: “Josephine” (Silk Stockings) - Cocoanuts: gymnastics lesson on the beach