John Mayer - Battle Studies Battle Studies is the fourth studio album John Mayer, released on November 17, 2009, by Columbia Records.
Tracklist
- Disc 1 - 1 Heartbreak Warfare 2 All We Ever Do Is Say Goodbye 3 Half of My Heart - Disc 2 - 1 Who Says 2 Perfectly Lonely 3 Assassin - Disc 3 - 1 Crossroads 2 War of My Life 3 Edge of Desire - Disc 4 - 1 Do You Know Me 2 Friends, Lovers or Nothing
