Today's concerts aren't just about live music. They are visual extravaganzas, driven by innovation and teams of technicians. But half a century ago, performances happened on town bandstands, without light shows, choreography, and speaker towers. Witness the evolution of the rock concert and see how the music industry continues to push technology to its limits to wow audiences in amazing ways. Footage of pioneering concerts, festivals, and tours, plus interviews with legendary artists and producers, give you front row seats and backstage access.