Battle Studies is the fourth studio album by American singer-songwriter John Mayer, released on November 17, 2009, by Columbia Records. Production took place from February to August 2009 at Battle Studies recording studio in Calabasas, California, Capitol Studios in Hollywood, and The Village in West Los Angeles, California, and was handled by Mayer and Steve Jordan. Battle Studies was later released in a CD/DVD "expanded edition", which added Mayer's VH1 Storytellers episode plus two intimate acoustic performances from his personal travels to Japan in May 2010. The DVD runs for approximately 50 minutes, and the track listing is as follows.

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