A rare look at Led Zeppelin, from their humble beginnings to their status as rock gods. Take a journey where incredible heights and extreme lows helped forge one of the greatest rock bands ever.

For Led Zeppelin fanatics, this 1976 feature The Song Remains the Same is a treasure of searing live performances, particularly welcome in light of the sad scarcity of such visual material from the band's great decade. Despite the group's road weariness after a long tour, their final, three-night stand at Madison Squar…