Battle Studies [Import LP] Artist: John Mayer Format: Vinyl New: Available $47.98 $47.98 Buy Wish Formats and Editions CD $9.98 CD - Deluxe $17.97 Vinyl - Import $47.98 Update Required DISC: 1 MP3 1. Heartbreak Warfare 2. All We Ever Do Is Say Goodbye 3. Half of My Heart 4. Who Says 5. Perfectly Lonely 6. Assassin 7. Crossroads 8. War of My Life 9. Edge of Desire 10. Do You Know Me 11. Friends, Lovers or Nothing More Info: John Mayer - Battle Studies Battle Studies is the fourth studio album John Mayer, released on November 17, 2009, by Columbia Records.