rhythm game (genre of video game)

musicology

light music (such as popular songs, jazz, chanson, etc.), as opposed to classical music / semiclassical music

band (almost always a brass band formed from members of bodies such as the military or police)

having a comeback or excuse for everything one is told, being smart in the sense of having a smart mouth

Kyūjitai form of 楽器 (“musical instrument”)

Kyūjitai form of 楽園: paradise

Kyūjitai form of 娯楽: entertainment

Kyūjitai form of 雅楽

Kyūjitai form of 楽観 (“optimism”)