Roots of The Black Heart Procession

Matthew Robert Cooper, also known by the moniker Eluvium, is an American ambient recording artist who resides in Portland, Oregon. Cooper was born in Tennessee and raised in Louisville, Kentucky, before relocating to the Northwest. His albums often feature artwork and photographs by Jeannie Paske. He is signed to the record label Temporary Residence Limited.

Joseph Donald Mascis Jr., better known as J Mascis, is an American musician who is the singer, guitarist and main songwriter for the alternative rock band Dinosaur Jr. He has also released several albums as a solo artist and played drums and guitar on other projects. He was ranked number 74 in a Rolling Stone list of the "100 Greatest Guitarists", and number 5 in a similar list for Spin magazine in 2012.