Martin also wrote and recorded a song for guitar legend Ronnie Montrose's CD, "10x10". He sings along with nine other singers including Sammy Hagar, Edgar Winter, Davey Pattison, and Mark Farner. The "10x10" album sparked interest in Eric's vocal performance and he was asked to sing the classic song "Guitar Man" with Ronnie Montrose, Denny Carmasi, and Ricky Phillips to take to the Sundance Film Festival. Martin also composed and performed a song called "Fly" for the commercial of Asahi Super Dry Beer in Japan. It is accompanied by a music video which is available at Youtube.com