Professional ratings
Aggregate scores
Source	Rating
Metacritic	73/100
Review scores
Source	Rating
AllMusic
The A.V. Club	A−
Entertainment Weekly	A−
The Guardian
Los Angeles Times
MSN Music	B+
NME	7/10
Pitchfork	5.2/10
Rolling Stone
Spin

Sky Blue Sky is the sixth studio album by American rock band Wilco, released on May 15, 2007 by Nonesuch Records. Originally announced on January 17, 2007 at a show in Nashville, Tennessee, it was the band's first studio album with guitarist Nels Cline and multi-instrumentalist Pat Sansone. Before its release, the band streamed the entire album on its official website and offered a free download of "What Light".

Sky Blue Sky was Wilco's highest debuting album on the Billboard 200 at number four. The self-produced album received mostly favorable reviews by critics. Publications such as PopMatters and Rolling Stone praised its maturity, while Playlouder and Pitchfork criticized its "dad-rock" sound. While some critics praised the direct lyrical approach, others criticised it when compared to previous Wilco albums. The band licensed six songs from the Sky Blue Sky sessions to a Volkswagen advertisement campaign, a move that generated criticism from fans and the media.

In April 2006, Wilco was still touring in support of their most recent studio album, A Ghost Is Born which was released in 2004. The band performed a few new songs during this leg of the tour, including "Walken", "Either Way", and "On and On and On". The following month, drummer Glenn Kotche mentioned to Pitchfork that those new songs were going to be recorded as demos for a new album release. During a January 17, 2007 solo concert, frontman Jeff Tweedy announced that the band would release their sixth studio album on May 15, 2007 through Nonesuch Records. The album was named Sky Blue Sky, a reference to a childhood memory of Tweedy's, of a Memorial Day parade in Belleville, Illinois. He had come home from St. Louis with his family, but could not reach his house because the parade blocked the main street. This led Tweedy to reflect upon his future in the town: he knew that he would have to leave when he grew up because it was too small.

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