Canzoni

• cry and smile
• egao
• Grotesque (グロテスク)
• OST Boku no hatsukoi wo kimi ni sasagu
• 瞳をとじて

Ken Hirai

Altri artisti

• Mustafa Ceceli
• Ebru Gündeş
• Zaho
• Natacha Atlas
• Honey Singh
• Kylie Minogue
• F(x)
• Norah Jones
• Baby K
• Prinz Pi