(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

concert (a musical entertainment in which several voices or instruments take part)

(music) classical music

rhythm game (genre of video game)

musicology

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

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

music therapy

musician

What you like to do, you will do well. To improve your skills in something, you must enjoy doing it.