So many

Syd Barrett

Roger Waters

John Lennon

Seth McFarlane

James Mercer

Sting

Jon LaJoie

Norah Jones

John Legend

Etta James

Melody Gardot

Jason Mraz

Micheal Bublé

Zaz

Gin Wigmore

Audra Mae

Jimi Hendrix

Maynard Keenan

Dan Auebach

Milla Jojovich

....I could go on. I love to swim in auditory variety.