Led Zeppelin

Movie features "unprecedented access" to the band.

'Presence' single was a playful – if deceptively complex – homage to their early rock roots.

Led Zeppelin guitarist and engineer recall “wonderful” moment that came after difficult start.

Conversation took place after Heart performed Led Zeppelin classic in front of the band.

Motley Crue frontman joined the Circle for a rendition of "Rock and Roll."

A look at other artists' interpretations of the tracks found on the band's seventh album.

Clip from New Zealand show was forgotten for nearly 50 years before archivist added audio.

Some of the band's most ambitious, interesting songs are deep cuts and lesser-known tracks.

Paul Stanley, Tom Morello and Vernon Reid are among those who've expressed astonishment.

Singer recalls stories involving John Bonham and Robert Plant.