Renowned Led Zeppelin tribute Led Zepagain kicks off the eighth season of THE WORLD'S GREATEST TRIBUTE BANDS with a special, 90-minute performance of the rock legends' iconic album "Led Zeppelin IV" in its entirety. Hosted by TV personality and classic rock expert Katie Daryl, THE WORLD'S GREATEST TRIBUTE BANDS features a different professional tribute artist in a live concert every Wednesday night from the historic Whisky A Go Go.