to give free rein to; to indulge; to let oneself go; (of a person) bold and unconstrained

(bound form) to sing; to vocalize a melody as in 歌唱 gē​chàng or 唱歌 chàng​gē

to set off (fireworks); to fire (a gun); to emit (light or sound); to play (a movie or recording)

(bound form) to praise or celebrate in speech or writing, such as in 歌颂 gē​sòng or 歌功颂德 gē​gōng​sòng​dé