signature tune
noun /ˈsɪɡnətʃə tjuːn/
/ˈsɪɡnətʃər tuːn/
(British English)- a short tune played at the beginning and end of a particular television or radio programme, or one that is connected with a particular performer
compare theme musicTopics TV, radio and newsc2(电视、广播节目的或某主持人主持节目时播放的)信号曲,开始曲,结束曲