American cellist best known as one half of the hard rock cello duo Emil & Dariel. He gained legions of new fans as a contestant on America's Got Talent, where he covered classic rock songs like The Rolling Stones' "Satisfaction."
He grew up in Florida.
He covered Nirvana's "Smells Like Teen Spirit" with the help of bassist Anna Sentina.
His older brother Emil is his cello partner. He is the grandson of renowned cellist Leonid Rubanchik.
He has received public praise from fellow cellists like Stjepan Hauser.