Keith Urban may be a bona fide leading Nashville light with too many GRAMMY®s to put under a 10-gallon hat. However, his roots are anything but country. Here's the rock, R&B, pop, and bluegrass fretwork of artists like Dire Straits, Fleetwood Mac, Eric Clapton, U2, and Ricky Skaggs that all helped to shape the Australian cowboy's sound.