Steven Tyler is an American singer-songwriter, multi-instrumentalist, and former television music competition judge, best known as the lead singer of the Boston-based rock band Aerosmith, in which he also plays the harmonica, and occasional piano and percussion. He is known as the "Demon of Screamin'" due to his high screams and his wide vocal range. He is also known for his on-stage acrobatics. During his high-energy performances, Tyler usually dresses in bright, colorful outfits with his trademark scarves hanging from his microphone stand.