Songs

• 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

Other Musicians

• Maher Zain
• Fares Karam
• Uma2rman
• Mehmet Erdem
• Tove Lo
• Lili Ivanova
• Skylar Grey
• Mesut Kurtis
• Stahlmann
• Eddie Santiago