Har Mar Superstar

Har Mar Superstar, born Sean Tillmann on February 6, 1978, is an American musician affiliated with various music genres including Pop, Soul, Punk rock, Indie rock, Rhythm and blues, and Blues. Born in Marshall, Minnesota, Tillmann now resides in Minneapolis and holds United States citizenship.

As a multifaceted artist, Tillmann is a Singer, Songwriter, Singer-songwriter, Actor, and Musician active in the music industry. He is also known by the alias Sean Na Na. Tillmann attended the Perpich Center for Arts Education and Marshall Senior High School in Minnesota.