In the seventies, and especially the eighties, rock music became an international force, with album sales resulting in packed arenas and stadiums.

Thanks to technology and a shrinking globe, bands suddenly reached untold millions; a hit song, beamed via satellite from culture to culture, could now touch hearts globally. Few groups embraced such unprecedented reach with as much enthusiasm and skill as Bay Area-based Journey.

The Californians not only rode the tsunami wave with panache, they created a template for bands aspiring to this level of engagement with fans. Most impressive, they are still at it, four decades on.