Zeppelin fans were given a rare treat when their surviving three members reunited (with drummers Tony Thompson and Phil Collins) for the mammoth Live Aid at Philadelphia's JFK Stadium in July 1985 -- unfortunately handing in an incredibly under-rehearsed, sloppy performance. Zeppelin reunited again in 1988 for the Atlantic Records 25th Anniversary Concert at New York's Madison Square Garden (this time Bonham's son, Jason, filled in for his late father behind the kit), and yet again performed another mistake-filled mini set. The same year Page guested on Plant's solo release, Now & Zen, as well as issuing his first ever solo recording, Outrider, following it up with a tour that touched upon tracks from all eras of his career. By the early '90s, further rumors of an impending Zeppelin reunio