Sugirl*music is a compilation album that was released for VOC@LOiD M@ster 18. The album consists of 10 songs, most of which were from relatively unknown producers at the time. The album features Kagamine Rin, Megurine Luka, and Hatsune Miku. The album's crossfade can be heard here. The album's official site is here, and can be bought on Toranoana.