Complex sentence: In 2013 Bass player Dellorto-Blackwell left the band for other musical pursuits, which included joining Serpent's Caul, a Portland based experimental rock band which Monte Mattsson now drums for.
Split into simpler sentences: In 2013 Bass player Dellorto-Blackwell left the band for other musical pursuits. Which included joining Serpent's Caul, a Portland based experimental rock band which Monte Mattsson now drums for.