What is another word for signature tune?
Pronunciation: [sˈɪɡnɪt͡ʃə tjˈuːn] (IPA) 
A signature tune is a distinctive music theme or melody that is associated with a particular individual, group or brand. There are many synonyms for the word 'signature tune,' such as theme song, anthem, jingle, soundtrack, sound logo, motif, musical tag, introductory music, and identifying music. The term 'theme song' is often used for a song that is played during the opening credits of a film or TV show. 'Anthem' typically refers to a patriotic song the represents a country or organization. 'Jingle' is generally used for a short, catchy tune that is used in advertising. 'Sound logo' refers to a short sound clip used to identify a brand.
