In 1996, Claypool produced, engineered and released a solo album, "Les Claypool and the Holy Mackerel presents" "Highball with the Devil". Claypool is credited with bass, drums and vocals on several tracks as well as guitar. Also on the album are Mark "Mirv" Haggard, Adam Gates, Jay Lane, Joe Gore, Charlie Hunter and Henry Rollins. The accompanying tour included Haggard and Gates on guitars with Bryan "Brain" Mantia on drums. It was announced during the Holy Mackerel tour that Mantia had been chosen to become the next Primus drummer.