已確認可運作。 pichnopop 獻上的，快樂合輯第 4 彈！保證令人上癮！收錄了最棒的快樂之聲，共 10 首歌曲！ 曲目列表 01P*Light feat. mow*2 - My Name is HAPPY HARDCORE 02YUC'e - MUDPIE 03かめりあ - Everybody Do The Twist (Of Rock'n'Roll) 04lapix - Captain Cowbell 05Hommarju - Super Sonic Massive Cheap 06t+pazolite - Obaka 07Massive New Krew - Seventh Haeven 08DJ Shimamura - PEACH! (Put Your Panties In The Air) 09DJ Noriken - Just Wanna You To Know 10DJ Laugh feat. Aikapin - Endless Story