Har Mar Superstar is one of the many performing monikers of American singer, songwriter, and actor Sean Tillmann, who also operates under the names Sean Na Na, Calvin Krime, and Heart Bones. Known for his effusive and sweaty live performances, Har Mar is an R&B, contemporary pop, and retro-soul singer who is as talented as he is occasionally over-the-top. Since debuting in 2000, he has shared stages with the Strokes, Red Hot Chili Peppers, Sia, Lizzo, and the Afghan Whigs, and has issued a string of well-received singles, EPs, and albums, including The Handler (2004), Bye Bye ...