sudden tempo change during performance

noun phrase

1. an abrupt change in the speed of a piece while it is being performed, either intended for expressive effect or accidental.

   B2

   countable

   • "The band made a sudden tempo change during the performance."A2
   • "The sudden tempo change during the performance surprised the audience."B1
   • "The conductor signaled a sudden tempo change during the performance, moving the orchestra from a slow passage to a fast one."B2
   • "Her sudden tempo change during the performance was expressive, but it took the orchestra a moment to follow."C1