Musical Mad Scientist Keller Williams brings his Appalachian Psychedelic Bluegrass project, Keller We vowed from the beginning that we wouldnt do it often so that when we did, it would be specialand it is. 2026 marks the 20th anniversary of Grass, Keller first album together. After two decades, Grass finally gets its first-ever vinyl pressingavailable on site and ready to roll!