There a multiple bands named SION: 1) A Russian christian metalcore band. 2) A UK based Electronica musician 3) A Japanese rock singer 4) A British alternative rock band. 5) A Japanese vocalist known mostly for her work with teranoid & MC Natsack 6) A Welsh producer. 1) Sion (UK) writes music that isn't always easy to define as any particular genre. Though the main genres might include ambient, dark, gothic, sleezy jazz, dub, drum-n-bass, trance, electronica.