List of bands (17):

Infected Rain
Inferi
InnerWish
Insomnium
Interloper
Iotunn
IRA
Iron Kingdom
Iron Maiden
Iron Savior
Ironflame
James LaBrie
Jason Becker & Friends
Jerry Cantrell
Jinjer
Jinjer
JJ.GTR
Job For A Cowboy
Joe Satriani
Journey