Op- og nedture OP-1 (strings) OP-1 (strings, slow tempo) [THE HEADY FEELING OF FREEDOM] OP-1 AG,FG&Apf OP-1 {Zankoku na tenshi no TEEZE (Cruel Angel's Thesis)} op-1898 Morceau De Concours コンクール課題曲 OP-2 (type A) OP-2 (type B) OP-2 (type C) OP-2 [Good, or Don't Be] (type D) OP-3 (D-1,2,3,4,5,6,7,9) Op-45 Op-Ale op-art (inedita) Op-Bi Op-Bop-Sha-Bam Op-Ed Op-er-a Star OP-L Bastards / Don't Bring Me Down Op-lia-lia, Pifai! OP-Live Op-maat OP-Massaker OP-Musik Op-pa-lya op-pen hei doa mots-te ziee Op-Pop-A-Da OP-Song