Marshall CODE Presets by Artist

ArtistPatches
John Mayall & The Bluesbreakers1
John Mayer64
John Petrucci44
John Sykes5
Johnny Cash7
Journey5
Joy Division1
Juan Dela Cruz Band1
Juanes1
Judas Priest20
Jupiter2
Kabát4
Khruangbin1
Kings of Leon9
Kip Moore1
KISS19
Korn1
Kreator2
Kyuss4
Lady Pank7