MI-KO - Vocals Susumu Kayamori - Keyboard IRON (not pictured) - Guitar Known as the act that coined the term "Akiba-Pop", the gamewave band from Akihabara was originally a producer of theme songs for erotic games before launching themselves as a regular band in 2004. The name MOSAIC.WAV is derived from a reference to the pixelating censorship of genitals in Japanese pornography (mosaic) and an audio file format (.wav).