lilt 
(lĭlt)
(lĭlt)n.
1. A cheerful or lively manner of speaking, in which the pitch of the voice varies pleasantly.
2. A light, happy tune or song.
3. A light or resilient manner of moving or walking.
v. lilt·ed, lilt·ing, lilts
v.tr.
To say, sing, or play (something) in a cheerful, rhythmic manner.
v.intr.
To speak, sing, or play with liveliness or rhythm.
[From Middle English lulten, lilten, to sound an alarm.]