John Mayer - Edge of Desire (Battle Studies Full Album Version)
John Mayer - Heartbreak Warfare (Video)
John Mayer - Battle Studies n.1
John Mayer - Perfectly Lonely (Battle Studies Full Album Version)
John Mayer - Half of My Heart (Official Music Video)
Battle Studies is the fourth studio album by American recording artist 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.