Theme music

/θˈiːm mjˈuːzɪk/

Theme music

the musical piece that is played at the beginning or the end of a TV or radio program or a motion picture

Examples

1. - Opened theme music in the background?

2. Towards its end, the theme music produced images of Unown.

3. Theme music, there's no words to it.

4. -This boss's theme music is an orchestral Dido.