By Leah Greenblatt
Updated September 15, 2009 at 12:38 PM EDT
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Fans of winsome folkie Regina Spektor may already know the song below; it’s been popping up in her live sets for years (where it’s often referred to as “The Meatball Song” or “‘A Lesson In How Fleeing Preservation Is”), but remains unrecorded — until now.

Now, the track has both an official name, “The Left Hand Song” (being that it was composed using, well, Spektor’s left hand), and an official release — on star violinist Joshua Bell‘s upcoming Sept 29 album At Home With Friends (other “friends” on the disc include Sting, Josh Groban and Kristin Chenowith) Listen below:

What do you think, Music Mixers — how does it compare to the concert version you’re used to?

More from EW’s Music Mix: