The return of the “BOMBASTORTION” – the ultimate overdrive pedal for guitarists who demand the very best. Designed by Tim Jauernig and based on the

‘Green For Miles’ the single by Jeff Kollman (featuring Guy Allison) drops Friday the 13th of January, 2023 worldwide on all digital platforms. Stay inspired

Check out the July 2022 Guitar Techniques Magazine featuring Jeff Kollman! Purchase the magazine

COSMOSQUAD  will be performing live in Los Angeles @THE BAKED POTATO, Featuring musicians JEFF KOLLMAN, KEVIN CHOWN + SHANE GAALAAS.

  JEFF KOLLMAN  has launched a promotional video for ‘Superstring Theory’, the advance single off his forthcoming solo album, ‘East of Heaven’. ‘East of Heaven’