Har Mar Superstar

About

Sean Matthew Tillmann is a singer known better by the stage names Har Mar Superstar and Sean Na Na. Since his debut in 2000, he has released half a dozen albums and has become known for his tongue-in-cheek hip-hop style. In 2021, he released an album titled Roseville 

Before Fame

After hopping through a number of bands throughout high school, he began his musical career as a member of the three-piece noise band Calvin Krime. After the group disbanded in 1998, he then launched his solo career.

Trivia

He has had small roles in a number of films and TV shows from Pitch Perfect to Starsky & Hutch. He has a significant following on his harmarsuperstar Instagram account, where he posts lifestyle content featuring his family.

Family Life

His mother and father were educators in Owatonna, Minnesota.

Associated With

A successful songwriter, he has penned singles for artists like Jennifer Lopez, Kelly Osbourne, and even the Cheetah Girls.