Answer: catchy

AnswerCrossword Clue
CATCHYLike lilting tunes
catchy(of a tune or phrase) Instantly appealing and memorable
catchypleasing and easily remembered
CATCHYLike the hook of a good pop song
CATCHYLike a hit song
CATCHYLike a good jingle
CATCHYAttention getting
CATCHYLike a memorable tune
CATCHYInterest-grabbing
CATCHYHard to forget
CATCHYEasily remembered
CATCHYLike some tunes
CATCHYLike many a good tune.
CATCHYAppealing, as a song.
CATCHYLike musical hooks
CATCHYHummable, perhaps
CATCHYAttention-getting
CATCHYEasily hummable