Singer for Singer features collaborations with Toshinobu Kubota, Fumiya Fujī, Glay, Chara, Kazufumi Miyazawa (The Boom), Eisho Higa (Begin) and Kōji Tamaki.
Singer for Singer showcases partnerships with Toshinobu Kubota, Fumiya Fujī, Glay, Chara, Kazufumi Miyazawa (The Boom), Eisho Higa (Begin) and Kōji Tamaki.