There once was a time when “fusion” wasn’t a dirty word, and it could even mean commercial success! Back in the seventies, a few bands pushed the sonic envelope of jazz towards rock and became superstars in the process. The first lineup of Mahavishnu Orchestra, who released their groundbreaking 1971 debut The Inner Mounting Flame, is a true fusion dream team, featuring guitar wizard John McLaughlin and drumming icon Billy Cobham.