Download MP3 Japanese RnB / CITY POP Smooth Groove Mix “WTMR BGM-45” [Playlist, DJ Mix, R&B, シティ・ポップ, Chill] Download MP4 Japanese RnB / CITY POP Smooth Groove Mix “WTMR BGM-45” [Playlist, DJ Mix, R&B, シティ・ポップ, Chill]