There a multiple bands named SION:
1) A Japanese rock singer
2) A Russian metalcore band.
3) A British alternative rock band.
4) A Japanese vocalist known mostly for her work with teranoid & MC Natsack
5) A Welsh producer. 1) SION is a Japanese rock singer. He was conspicuous in early Japanese indies scene and one of the most important. He respects old good blues, rock, trad, and punk musicians. Especially, Bob Dylan and Tom Waits.