Sufjan Stevens Shares 'Unfinished Ballad': Listen

Hear the romantic 'Wittgenstein Flies a Kite.'

Indie musician Sufjan Stevens has been quietly active on his Tumblr blog recently, posting photos, cultural musings and the occasional demo. On Thursday, he shared "Wittgenstein Flies a Kite," an "unfinished ballad" he found "on an old hard drive. 'Give a Little Love.' Break me off a piece of that Kit-Kat bar."

After opening with the Auto-Tuned vocals he introduced to his repertoire on 2010's "The Age of Adz," the song ascends into a bustling, harmonized climax and eases into a jazzy aftermath. "Give a little love for a lonely man," he sings.

The ambitious singer-songwriter released "Silver & Gold," a box set of Christmas EPs, in Nov. 2012, the follow-up to his "Songs for Christmas" collection. Like its predecessor, the set collected the Christmas recordings Stevens completes each year, leaving the "The Age of Adz" as his last proper full-length. "Adz" bowed at No. 7 on the Billboard 200 with sales of 36,000, his best chart week so far. Judging by his Tumblr, he's been spending his time biking in the wilderness.

Hear the track on Stevens' Tumblr page.