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

blues

• some good lists [1] [2]

rock / pop

• Bob Dylan
  • "Mr. Tambourine Man"
  • "Like a Rolling Stone"
  • "Desolation Row"
  • "Tangled up in Blue"
• some good lists [1] [2] [3] [4] [4b] [5]

specific songs:

• "Bastard Son of a Thousand Blues" Poison, Bret Michaels
• "Do To You" Bryan Adams
• "Desire" U2

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

• Magic Dick
  • Whammer Jammer P