John Mayer's new album "Paradise Valley" is now available to stream on iTunes right now! The album features a duet with Katy Perry entitled "Who You Love" and is quite a beautiful track. Mayer will be performing on the "Live On Letterman" webcast on August 19th, and "Paradise Valley" will be released on the 20th. The Grammy Award-winning singer, songwriter and musician produced Paradise Valley with longtime collaborator Don Was, who also co-produced Mayer’s #1 charting Gold-certified 2012 release Born and Raised, and has worked on albums for acts such as the Rolling Stones, B.B. King and Bonnie Raitt. Fans who pre-order the album on iTunes will instantly receive a download of the track “Wildfire". To listen to the Katy Perry duet, click here!!!!