John Clayton Mayer ( MAY-ər; born October 16, 1977) is an American singer, songwriter, and guitarist. He attended Berklee College of Music in Boston, but he left for Atlanta in 1997 with fellow guitarist Clay Cook, with whom he formed the short-lived rock duo Lo-Fi Masters. After their split, Mayer continued to play at local clubs, refining his skills and gaining a minor following. He performed at the 2000 South by Southwest festival, and was subsequently signed by Aware Records,... [more on Wikipedia]