MIKE CAMPBELL & THE DIRTY KNOBS - EXTERNAL COMBUSTION - Mike Campbell & The Dirty Knobs have announced they will release Campbell's second album as a band leader, following their 2020 critically acclaimed debut album, Wreckless Abandon, on March 4. The new album, titled External Combustion showcases Campbell & The Dirty Knobs' evolution, pushing the band to a new level, jumping ahead in vision and drive, proving the first record was no one-shot deal.