This is a list of artists / songs you can seed Pandora with, to be able to listen to harmonica songs.

blues

rock / pop

specific songs:

People that aren't on Pandora (or at least, not directly):

Boogie on Reggae Woman -- Stevie Wonder He Ain't Heavy, He's My Brother -- Hollies (diatonic) Shape of My Heart -- Sting (Ten Summoner's Tales, 1993)