ディックはピアノを弾き、ルーシーは歌を歌った。

tick (esp. in share trading); -tic

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

piano

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to flip; to snap; to flick; to repel; to use (an abacus); to calculate; to strum; to pluck the strings (of a guitar, etc.)

song; classical Japanese poetry (esp. tanka); modern poetry

to sing; to sing (one's praises in a poem, etc.); to compose a poem; to recite a poem