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

• Haifa Wehbe
• Despina Vandi
• Aida Nikolaychuk
• 4Minute
• Funda Arar
• Daughter
• Naruto (OST)
• 25Band
• Edward Maya
• Adela Popescu