In March 1965, their tour van crashed, killing vocalist Fraser Calder and bassist James Giffen, and the rest of the band went their separate ways.

In December 1969 Harvey played guitar on Bee Gees member Maurice Gibb's The Loner album, but only the single "Railroad" was released.

The Blues rock and progressive soul band was formed by Harvey, Maggie Bell, Colin Allen, James Dewar, and John McGinnis.

[3] After playing together in the Kinning Park Ramblers, their next band Power was renamed Stone the Crows (after a British exclamation of surprise or shock) by Led Zeppelin's manager, Peter Grant.

[7] While on stage with Stone the Crows at a Top Rank Suite in Swansea on 3 May 1972, he was electrocuted in front of a live audience when he touched a microphone that was not earthed while the fingers of his other hand were holding the strings of his guitar.

[2] It has been incorrectly stated that the incident happened "on a rainy day with puddles on the stage"; however, Swansea Top Rank was an indoor venue and therefore this was not possible.