Campbell told BBC Scotland News how the aftermath of a shambolic gig in Wales in December 2019 made him realise that the band was all but over, and that his actions may have accelerated the end.
“The last gig we did in 2019 was just so terrible that it had to be the end,” he reflects.
“I had taken the band and crashed it into a wall. The way I dealt with it all made it worse and then I realised I had lost everything.
“The point at which I knew I had taken it too far was when it was too late. It was the end of the last gig and my memory of that was how quickly everyone vanished at the end of the show.
“Usually you’d finish a gig and people stayed behind to talk or celebrate, and this time they just fled.”
It was a grim end to an unlikely success story.
Campbell was a Glasgow singer-songwriter type who, he jokes, took music far too seriously. The rest of the band were session musicians who had backed big names like Robbie Williams but were keen for a crack at their own songs.
When they began playing together the result was old time, full throated blues rock n’ roll. Within two years an album was released, and in the 12 months after that they found themselves opening for the Rolling Stones at several shows.
“We got together in this wonderful romantic way, and it was amazing,” says Campbell.
“Those early days we worked in Luke’s [Potashnick, guitarist] kitchen, eating well, drinking coffee and just recording songs. We must have done hundreds of shows.”