While Sheryl Crow is so famous now that she's ventured into other projects -- most recently a cookbook, If It Makes You Healthy -- she's first and foremost a musician known for bluesy, guitar-heavy tunes like "All I Wanna Do." Skip Bolen/Alabama Relief/GettyImages.com - June 14, 2011
Skip Bolen/Alabama Relief
John Mayer, Miranda Lambert, and more rock out with their favorite instrument.