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 highlights collaborations with notable artists such as Toshinobu Kubota, Fumiya Fujī, Glay, Chara, Kazufumi Miyazawa of The Boom, Eisho Higa from Begin, and Kōji Tamaki.