Ascend is an American experimental doom metal collaboration between singer/guitarist Gentry Densley (guitar/vocals) and Greg Anderson (bass/guitar). Their album Ample Fire Within (2008) was released by Southern Lord Records and featured a guest appearance by Soundgarden guitarist Kim Thayil. Critic Neg Ragget described the album as "a Southern Lord label lovefeast par excellence [...] a masterpiece of carefully focused sludge."[1]