noun, noun which may take the genitive case particle 'no'
hip-hop culture; Black culture; breakdancing culture
Slang term from Japanese youth culture, referring to hip-hop, Black American, and especially breakdancing culture. Often used attributively with の.
彼はB系のファッションが好きだ。
He likes hip-hop fashion.
あのクラブはB系の音楽をよくかけている。
That club often plays hip-hop music.