Led Zeppelin

These are the stuff of legend.

Its original songwriter filed suit after noticing something in 'Becoming Led Zeppelin.'

He also worked with Joe Walsh, Iron Maiden, Joe Cocker, Molly Hatchet and many others.

Producer Kevin Shirley shares the story with UCR.

He helped filmmakers correct a key detail in the new documentary.

Rock's biggest acts entered the new decade with new lineups, new sounds and new facial hair.

He tells UCR how his father, John Bonham, helped create one of the band's most famous songs.

John Bonham's son will pay tribute to his "favorite Led Zeppelin album of all time."

"We were all very tired and under pressure and it just came to a head," he later explained.

Documentary mixes dazzling rare footage and new interviews to chronicle the band's early years.