Fun Pastime of Singing Over a Backing Track

Puzzle 5 of School Dance Pack

Question is: Fun Pastime of Singing Over a Backing Track

and the answer is: KARAOKE

Word Meaning:

KARAOKE — (uncountable) A form of entertainment popular in clubs, at parties, etc, in which individual members of the public sing along to pre-recorded instrumental versions of popular songs, the lyrics of which are displayed for the singer on a screen in time with the music.

Definitions from Wiktionary.

Fun pastime of singing over a backing track School Dance Answers | CodyCross Solutions