"I can roll you one from an empty bag," sings Chris Robinson on "Goodbye Daughters of the Revolution" from 2008's Warpaint. This latest incarnation of the Crowes includes slide guitar virtuoso Luther Dickinson and original drummer Steve Gorman.

Inside: Watch "Goodbye Daughters of the Revolution"

A highlight of every Ben Harper and the Innocent Criminals concert occurs when percussionist Leon Mobley takes a djembi solo and Harper breaks into "Burn One Down." The duo perform the song - from 1995's Fight for Your Mind - live in this video clip.

Inside: Watch "Burn One Down"

California rockers Queens of the Stone Age were booted from an L.A. rehab center when they opened their set with 2000's "Feel Good Hit of the Summer," which repeats the line: "Nicotine, Valium, Vicodin, marijuana, Ecstasy and alcohol... c-c-c-c-c-cocaine."

Inside: Watch "Feel Good Hit of the Summer"

Austin's Carolyn Wonderland wrote "Annie's Scarlet Letter" about the war on marijuana smokers before going on stage at the Seattle Hempfest. "I wear my marijuana leaf like a badge," she sings. "it's my scarlet letter."

Inside: Watch "Annie's Scarlet Letter"

Cannabis Cup veteran and Marijuana Music Award winner Jet Baker shot "Coffeeshop Crawl" in Amsterdam - where else? Baker visits 40 pot shops and smokes his share of Amsterdam's finest in this cool clip.

Inside: Watch "Coffeeshop Crawl"