jingle
n. countablen. a short, catchy tune or song used in a commercial to help you remember a product. It is designed to stay in your head so you think of the brand later.
n. a short, rhythmic, and easily remembered musical phrase or song used in advertising. Often employs simple rhymes and repetitive melodies to enhance brand recall.
The company's new jingle is very catchy.
The marketing team spent weeks developing a three-second jingle that would be instantly recognizable on both radio and television.
While visual branding is essential, a well-crafted jingle can create a powerful auditory association that persists in the consumer's memory long after the advertisement has ended.
The verb, which is older than the noun, is from Middle English gyngle. Onomatopoeic; compare jangle.
Commonly used in the context of marketing and broadcast media.