Vocalist Keith Relf is ill, suffering complications from severe asthma. After collapsing in mid-August, he was hospitalized and missed 6 weeks of performances. During his recovery, Mick O’Neil, Mike Vernon and Tony Carter all filled in on vocals. Relf rejoined the band on 21 September.
The Yardbirds' first package tour was headlined by Billy J. Kramer & The Dakotas. The tour travelled through the UK and Ireland from 18 September to 18 October. (The first date, scheduled for the Granada Theatre in Walthmstow, Essex was cancelled). Other bands on the bill were The Ronettes, Bill Black's Combo, Cliff Bennett & The Rebel Rousers and The Kinks or The Nashville Teens depending on the city. Two shows were performed nightly.