Mayer's fourth studio CD debuted atop the Billboard charts upon its 2009 release. Here are note-for-note transcriptions of the singles Who Says Heartbreak Warfare and nine more: All We Ever Do Is Say Goodbye; Assassin; Cross Road Blues (Crossroads); Do You Know Me; Edge of Desire; Friends Lovers or Nothing; Half of My Heart; Perfectly Lonely; War of My Life.
John Mayer: John Mayer - Battle Studies: Guitar Solo: Album Songbook
John Mayer Battle Studies Play It Like It Is Guitar Transcriptions - Guitar Tab