English version

signature tune in Broadcasting topic

From Longman Dictionary of Contemporary Englishsignature tuneˈsignature ˌtune noun [countable] British English  TCBAPMa short piece of music used at the beginning and end of a television or radio programme
Examples from the Corpus
signature tuneEven the distinctive signature tune has been re-recorded to provide a more modern feel.One thing I regret: the jettisoning of the original signature tune.It was Buddie's signature tune, the one his band always played at the start of every session.