“The substance issues and drama negatively impacted Velvet Revolver. But there was the ‘dangerous band’ element. That came across in a song like Slither”: Dave Kushner looks back on his guitar partnership with Slash – and writing the Sons of Anarchy theme

He went to school with Slash and joined the noughties’ biggest supergroup. But when Velvet Revolver ended, Kushner threw himself into soundtrack work with guitar as the driving force. He reflects on the band’s volatile run and how it impacted their swaggering take on rock ’n’ roll