note: use “MOSAIC. WAV” as artist name in order to scrobble. more info MOSAIC.WAV is a J-pop band from Akihabara, widely known for creating and performing theme songs to hentai games, and lately anime series. Their name is most likely a reference to the use of mosaics to censor the genitals in hentai, and WAV is a sound format. MOSAIC.WAV is fronted by vocalist Mi~ko, with keyboardist Kayamoi, and guitarist IRON backing her up.