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.

John Mayer在麦克风前总是能自在的散发笔下的词曲文采，弥漫着高度的亲合力，瞬间解除听歌者的情绪武装，首支单曲《No Such Thing》自2001年夏季推出后，一年来依然高居美国成人摇滚电台的热门播放榜，在Billboard成人榜入主Top5及流行单曲榜Top13佳绩，首张专辑《Room For Squares》，在口碑的推波助澜下，跃升到Billboard流行专辑榜TOP 15，并且停留榜上40周之久，更在美国CDNow网站销售名列前10名，滚石杂志不但给予专辑4颗星的超高评价，还将他与凡妮莎、艾薇儿等人列为2002年最值得瞩目的新秀歌手之一，连乐坛前辈艾尔顿·约翰都对Mayer赞美有加。

Born and Raised is the forthcoming fifth studio album from American singer/songwriter/guitarist John Mayer.

关于这张专辑，John Mayer解释说：“这次曲风是以抒情蓝调和灵魂乐为主，是一张重新发现自我、探索人性的专辑。”专辑还将特别收录John Mayer上张Live专辑中的《Vultures》和《Gravity》两首单曲的录音室版本，以及翻唱Jimi Hendrix的 《Bold As Love》。此张专辑也继续和Steve Jordan, Pino Palladino合作..