lilt

Etymology

From Middle English lilten, lulten.

verb

1. To do something rhythmically, with animation and quickness, usually of music.
2. To sing cheerfully, especially in Gaelic.
3. To utter with spirit, animation, or gaiety; to sing with spirit and liveliness.

noun

1. Animated, brisk motion; spirited rhythm; sprightliness.
2. A lively song or dance; a cheerful tune.
3. A cheerful or melodious accent when speaking.
   Though Bane’s sing-song voice gives his pronouncements a funny lilt, he doesn’t have any of the Joker’s deranged wit, and Nolan isn’t interested in undercutting his seriousness for the sake of a breezier entertainment. July 18 2012, Scott Tobias, AV Club, The Dark Knight Rises (review)