Late last year Unknown Mortal Orchestra guitarist Ruban Nielson and brother Kody Nielson teamed up for a super jazzy-weird jam session track called “SB-03” complete with some crazy cover at by Ruban’s wife Jenny Nielson. This track follows “SB-00,” “SB-01” and “SB-02” which were released back in 2013 and 2014.

Listen to “SB-03” above now and catch up on the other three tracks below as well.