Official YouTube Channel of Emil & Dariel "The Rock Cellos". America's Got Talent Finalists. FOR BOOKING: Booking@emilanddariel.com Finding instant fame with an animated and electric cover of Jimi Hendrix's Purple Haze on America's Got Talent, teenage brothers Emil and Dariel are making a name for themselves around the world as the youngest American cello virtuoso cross-over duo to be featured on a national stage. Their goal is to cross over multiple genres of music and implement their classical background in transcending inconceivable barriers known to a classical instrument.