There are several artists called None:
1)NONE is a pv/grind-influenced hardcore band from Vancouver, Washington, U.S. www.myspace.com/nonevancouver
2) None (AKA %20) is also the alias of experimental sound artist Peter Andrew Lopez.
3) Polish hard rock / metalcore / nu metal band created in Bydgoszcz in 1999.
4) Slovakian alternative rock band - written "nOne" - bandzone.cz/none