As a result, some critics have suggested that the band seemed sluggish and rusty upon their return to the stage, with the group lacking dynamics and giving rather 'heavy' performances.

[1] To make matters worse, prior to leaving England for the tour guitarist Jimmy Page suffered a broken ring finger after slamming his fingertip in a train door.

A concert at 8 March at the West Palm Beach Speedway in Florida was also canceled following the promoters' failure to make property improvements at the venue.

During this tour Led Zeppelin hired The Starship – a former United Airlines Boeing 720B passenger jet, to transport them between cities.

Towards the end of this tour, Lynette Alice "Squeaky" Fromme, a member of Charles Manson's "Family", confronted Danny Goldberg, vice-president of the band's record company demanding to speak with Jimmy Page to warn him of "bad energy."

These plans were cancelled when Robert Plant sustained serious injuries from a car accident on the Greek island of Rhodes on August 5.

In 2021, an almost complete soundboard tape of the tour opening concert at the Metropolitan Sports Center in Bloomington, Minnesota surfaced.

The band can be heard playing new material from the upcoming album to an American audience for the first time, a week after two warm-up dates in Rotterdam and Brussels.

Also when performed, "Mars, Bringer of War", was included In Uniondale from 13–14 February, Ronnie Wood joined the band during the encore of "Communication Breakdown"