Back in May, 2009, Icelandic diva Björk and avant-indie rockers Dirty Projectors got together for a very intimate concert to benefit the homeless and AIDS advocacy group Housing Works in New York City. Together they wrote and performed a new suite of songs called "Mount Wittenberg Orca," which was inspired by Dirty Projectors' Amber Coffman sighting of a family of Orcas on the California coast, and features Björk singing the part of the mom whale.

Now they're reprising that collaboration with a new, digital-only release of the Mount Wittenberg Orca songs, available to purchase and download here. This seven-song, twenty-one-minute collection is the first original music Dirty Projectors has recorded since their groundbreaking Bitte Orca album, and feels more