he brothers began studying violin at ages 8 and 7, respectively, and eventually studied at the Juilliard School.
In 2005, the duo entered and won a talent competition at the Apollo Theatre in New York. Their victory on Showtime at the Apollo led to media attention and appearances on The Ellen DeGeneres Show, The Today Show with Katie Couric, and The Tonight Show with Jay Leno. Around the same time the duo showcased their talents at Carnegie Hall and performed for President George W. Bush at The White House.
On January 8, 2006, the Escobars performed their song Thunder at the debut of the redesigned Cadillac CTS at the North American International Auto Show in Detroit. Nuttin' But Stringz performed after a classical string quartet. General Motors Corp. executives used the two performances as an analogy, to demonstrate that what used to be good enough (the quartet) needs to be reinvigorated (N.B.S).[citation needed] A video for "Thunder" is also featured on the website for Jack's Big Music Show on Noggin. The exposure continued when they were featured in the first of five commercials featuring local artists on New York's local news channel, NY1. Wikipedia