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

• Okean Elzy
• Mariza
• Yıldız Tilbe
• Aida Nikolaychuk
• MC Yankoo
• J. Perry
• IAM
• Saad El Soghayar
• Nabeel Shuail
• Upsurt