Michael Lockwood is an American guitarist and producer, a native of Los Angeles, probably most well-known for producing and performing with Lisa Marie Presley and Aimee Mann. 

Lockwood has also worked with Carly Simon, Fiona Apple, Bijou Phillips, and Michael Penn. A self-taught guitarist, Lockwood has been playing since age 8, when he saw the Beatles movie Help!.

Credit: en.wikipedia.org