This two-hour special features a once-in-a-lifetime showcase of guitar luminaries performing rock'n'roll and blues classics.

In the summer of 2004, a spectacular gathering of musicians from across the guitar world performed together on one concert stage as the culminating event of Eric Clapton's three-day Crossroads Guitar Festival in Dallas. GREAT PERFORMANCES presents highlights from the all-day concert at the Cotton Bowl featuring a once-in-a-lifetime showcase of guitar luminaries performing rock anthems, blues classics and jazz improvisations. Joining Clapton are fellow ax legends Carlos Santana, Joe Walsh and J.J. Cale; bluesmen Robert Cray, Buddy Guy, B.B. King, Hubert Sumlin and Jimmie Vaughan; and James Taylor, country superstar Vince Gill, bluegrass player Dan Tyminski from Allison Krauss's band Union Station and young star John Mayer. Highlights include renditions of classics like "After Midnight"and "Layla,"as well as recent hits like Mayer's "City Love."