Unknown Mortal Orchestra's genre-defying approach to music has allowed the band's sound to shift and evolve with every new album. The group's driving force, Ruban Nielson, is a psychedelic explorer with an experimental bent that was clear from the very first home-recorded Unknown Mortal Orchestra album, which combined his soaring guitar work with winsome melodies and trippy production. Working by himself and with collaborators who included his brother Kody, Nielson has taken the band on a journey through acoustic balladry, free jazz, hard rock, and, on 2015's breakthrough albu...