Kotani Kinya - Anti Nostalgic (Gravitation OST)
Kotani Kinya - In the moonlight (Gravitation OST)
(Gravitation OST) Kinya Kotani - Glaring Dream
(Gravitation OST) Kotani Kinya - The rage beat
Kinya Kotani (OST Gravitation) - Superdrive
Kotani Kinya - Super Drive (Gravitation OST)
Kotani Kinya - Smashing Blue (Gravitation OST)
Kotani Kinya (Bad Luck) - Glaring Dream (Gravitation OST -Главная Тема)
Kotani Kinya - Spicy Marmalade (Gravitation OST)
Kotani Kinya - Glaring Dream (OST Gravitation - TV ending)
Kotani Kinya - Smashing Blue (OST Gravitation OAV)
Kotani Kinya - The Rage Beat /OST Gravitation/
Kotani Kinya - Glaring Dream (OST Gravitation - TV ending) сейю Синьи Кагами
Kotani Kinya (Bad Luck) - Blind Game Again - (Gravitation OVA OST 01)
Kotani Kinya (Bad Luck) - Glaring Dream (OST Gravitation - TV ending)
Kotani Kinya & Mad Soldiers - /OST Gravitation/Гравитация/
Kotani Kinya & Mad Soldiers (Gravitation OVA OST 01) - песня из гравитации
Kotani Kinya (OST Gravitation) - In The Moonlight
Kotani Kinya & Mad Soldiers (Gravitation OVA OST 01) - blind game
Kotani Kinya & Mad Soldiers (Gravitation OVA OST 01) - blind game again
OST Gravitation OVA - Kotani Kinya - Glaring Dream
Шуичи Шиндо(Gravitation) - Bad Luck Kotani Kinya & Mad Soldiers (Gravitation OVA OST 01) - песня из гравитации
コタニキンヤ / Kotani Kinya - Glaring Dream (OST Gravitation)