Digging through his old hard drives may or may not be part of the process in which Sufjan Stevens creates his next official release, but it certainly gives his listeners an insight into how his creations have come into being through the years. His most recent upload is one of his most telling: a live jam for the party section of his unmatchable “Impossible Soul.” Listen to the self-described “hilarious” cut below, which comes with the additional optimism: “For those of you suffering the darkness, remember: It’s a long life. Pace yourself. Put your face together. Stay Positive!”