opening number

noun
UK /ˈəʊpənɪŋ ˈnʌmbə/
US /ˈoʊpənɪŋ ˈnʌmbər/

The first song or act in a show.

The opening number got everyone clapping and singing along.

SYNONYMS

first songopeneropening actintroductory songfirst act

RELATED WORDS

overturepreludefinaleencoreshowstopper

OTHER MEANINGS

2. The first piece performed in a concert or musical.

The orchestra began with a lively opening number.

3. The initial item presented in a series or program.

The comedian's opening number had the audience laughing right away.

4. The first routine in a dance or variety show.

The dancers rehearsed the opening number for weeks.