opening theme

noun
UK /ˈəʊpənɪŋ θiːm/
US /ˈoʊpənɪŋ θiːm/

The music that plays at the start of a show.

The opening theme of the cartoon is so catchy that everyone sings along.


OTHER MEANINGS

2. The main idea that a story or speech begins with.

The opening theme of the book is friendship.

3. The first melody in a piece of music.

The orchestra played the opening theme softly before the rest joined in.

4. The subject that starts a discussion or event.

The opening theme of the meeting was teamwork.