Sean Tillmann is known in the United States' independent music community as a singer-songwriter (other projects include Calvin Krime and Sean Na Na), but is best known by his alter ego Har Mar Superstar. Har Mar Superstar is a character who often performs his shows shirtless. His primary musical genres are contemporary R&B and pop music.[3]
¡Cuatro años de duro trabajo!Este mes de mayo cumplimos cuatro años al aire. Seguimos trabajando en la difusión de este maravilloso instrumento, ¡gracias por participar en nuestra historia!