Ditty

Part of speech: noun (n.)

1. A saying or utterance; especially, one that is short and frequently repeated; a theme. O, too high ditty for my simple rhyme. Spenser.

2. A song; a lay; a little poem intended to be sung. "Religious, martial, or civil ditties." Milton.ditties sing. Sandys.

Part of speech: verb (v.)

To sing; to warble a little tune. Beasts fain would sing; birds ditty to their notes. Herbert.