Mellow, chilled out rap or Classic Rock. I don't want to be pumped up when I drive...thats dangerous
Some Favorites of mine are:
People Under the Stairs - Acid Raindrops
People Under the Stairs - July 3rd
People Under the Stairs - San Francisco Knights
People Under the Stairs - Los Angeles Daze
Cunninlynguists - Seasons (Remix or Original)
Cunninlynguists - Mic Like a Memory
Cunninlynguists - Rain
Cunninlynguists - Lynguistics
Cunninlynguists - Doin Aight
Cunninlynguists - Appreciation (Remix)
...just get their albums "Southernunderground" and "Will Rap for Food" if you like these songs.
Eagles - Hotel California
Led Zeppelin - Kashmir
Blaze - Dazed and Confused (Zep Cover)