Spearheaded by Yngwie Malmsteen and Randy Rhoads, inspired by Uli Jon Roth and Ritchie Blackmore (and Bach, Mozart, Paganini, etc.) and taken to its heights by Jason Becker, Marty Friedman, Tony MacAlpine and the other early Shrapnel Records artists, the neo-classical period in modern rock guitar was a time of previously unimaginable technical progress and harmonic inventiveness.