Chelsea Grin have officially parted ways with guitarist Jason Richardson. “Us and Jason have split amicably, with the decision being based on musical differences and how we envision our next record sounding,” the band offer in an official statement. “Jason has been an asset to Chelsea Grin for years now, but will be focusing on his solo material and we thank him for his time with us.”

Read more: Chelsea Grin guitarist taking leave of absence from touring to pursue science research and lab work

In light of his departure, Richardson has launched a $20,000 IndieGoGo campaign to fund his solo album.

Additionally, the band have welcomed Stephen Rutishauser as on official member. Rutishauser has been performing with the band for over a year now.

Read all of the band’s official statement below.

“Hey everyone as we gear up for the Seems Like Forever tour with The Amity Affliction we wanted to publicly announce a few things. First off we would like to welcome Stephen Rutishauser (Speeve) as an official member of the band. Stephen has been playing with us for over a year now and has fit perfectly in the band. Stephen has been a long time friend of the band and wrote the song Nightmares which was featured on Ashes to Ashes.

Along with the addition of Stephen, comes the departure of Jason Richardson. Us and Jason have split amicably, with the decision being based on musical differences and how we envision our next record sounding. Jason has been an asset to Chelsea Grin for years now, but will be focusing on his solo material and we thank him for his time with us. Jason recently launched an indiegogo campaign to fund the new solo record.

Our new record will be out next summer and we promise you it will be our most extreme release to date. We are back. 
– AK, David, Dan, Pablo, Jaek, Stephen”