light music; popular music
Refers to easy-listening, popular, or non-classical music, often contrasted with クラシック (classical music). Common in school club names (軽音楽部).
彼は高校で軽音楽部に入った。
He joined the light music club in high school.
この番組では最新の軽音楽を紹介している。
This program introduces the latest popular music.
I joined the high school's light music club and formed a band.
When I want to relax, I make a point of listening to light music.