"2013-03-07"^^ . "Classical"@en . "1933"^^ . . "Devilz Staircase is a song by OSTER project released in the game beatmania IIDX 20 tricoro. The song is a prequel to Devilz Sacrifice -Shokuzai no Hitsuji-. This article is a . You can help My English Wiki by expanding it."@en . . . "1"^^ . "250"^^ . "2012-09-19"^^ . "70"^^ . . "Symphonic Breakbeats"@en . "110.0"^^ . "beatmania IIDX 20 tricoro ORIGINAL SOUNDTRACK Vol. 1"@en . "Devilz Staircase"@en . . . . "1087"^^ . . "2013-02-27"^^ . "185"^^ . "Devilz Staircase is a song by OSTER project released in the game beatmania IIDX 20 tricoro. The song is a prequel to Devilz Sacrifice -Shokuzai no Hitsuji-. This article is a . You can help My English Wiki by expanding it."@en . .