Postal Service Releases Previously Unreleased Song (Audio)

A previously unheard Postal Service track titled "A Tattered Line of String" emerged on Monday, marking the first "new" music from the group in nearly a decade's time. The slick, upbeat electro-pop song is one of two unreleased B-sides set to make its debut on the 10-year anniversary reissue of the Postal Service's lone album, Give Up.

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"A Tattered Line of String" features Jenny Lewis -- of Rilo Kiley, Jenny and Johnny, and solo fame -- on backing vocals; Lewis appeared as a guest on many of the album's original cuts, and will also be present on the reissue's other "new" track, "Turn Around." Due April 9 on Sub Pop, the Give Up reissue will feature a second disc containing (in addition to the two new songs) a collection of remixes, live cuts, covers and more.

The Postal Service members Ben Gibbard and Jimmy Tamborello will be embarking on a long-anticipated reunion tour, which begins April 9 and includes a stop at Coachella. Lewis will also be along for the ride on the group's first tour since 2003.