Aaron Berg (also known as stage name, Mountainwalker) is an American songwriter/producer, performer, author, and recording artist based in Nashville USA with roots in NYC and South Carolina. He leads the Big X Music Songwriter’s Club and House of Aaron Jam.

Originally, a bassist, Berg attended the jazz conservatory at the New School University in Greenwich Village, New York City before picking up a guitar and finding his voice as a songwriter and singer. Prior to Nashville, Berg became deeply engaged in Hip Hop music and culture, releasing a rotating yearly mixtape ( 'Public Works' ) and two self-produced albums ( 'American Rhapsody’ and 'Songs Of Eden' ) with DJ/producer Kulhed.