Complex sentence: Since then he has gone on to play with Jerry Cantrell, Static-X, Danzig, The Mercy Clinic, which includes former Damageplan frontman Pat Lachman, and the band Comes with The Fall.
Split into simpler sentences: Since then he has gone on to play with Jerry Cantrell, Static-X and Danzig. He is currently performing with The Mercy Clinic, which includes former Damageplan frontman Pat Lachman, and the band Comes with The Fall.