In 2006, Arctic Monkeys sold more than 350,000 copies of their debut album, Whatever People Say I Am, That's What I'm Not, its first week out in the U.K., turning frontman Alex Turner, then just 20, into a tabloid stud overnight.

Our countdown of the 50 best covers continues! Check out entries No. 30-21 from our list -- and weigh in with your own favorites in the comments section below. To check out 50-41, and 40-31 click here.

While he may have parted ways with his signature 'fro since going into self-imposed exile eight years ago, Maxwell certainly hasn't lost the silky-smooth voice that earned him the title "the Marvin Gaye of the '90s."

Our countdown of the 50 best covers continues! Check out entries No. 40-31 from our list -- and weigh in with your own favorites in the comments section below. To check out 50-41, click here.

What makes a good cover song? Is it clever re-imagining that spawns a completely newfangled expression of the original cut's core elements? Or is it heartfelt devotion to a songwriter's singular vision, honoring the artistic merit of a classic tune?

Seventeen years after achieving instant diva status with her landmark debut album, Little Earthquakes, Tori Amos still doesn't care if you like her. "Lionesses, we're not cuddly," she says.