Sleepy Man Banjo Boys is a bluegrass music trio from Lebanon Township, New Jersey, United States. It is composed of the Mizzone brothers: Jonny (born ca. 2003, banjo), Robbie (born ca. 2000, fiddle and vocals) and Tommy (born ca. 1998, guitar and background vocals). The trio's debut album America's Music, was released in October 2011. Their second CD, The Farthest Horizon, was released in October 2012. Ashley Lilly, 13 year old granddaughter of the bluegrass legend Everett Lilly, sings on two songs of the latter album. In February 2014, they released the single Run, their first song on which one of them, Robbie, sings. Their third album "By My Side" was released in June 2014 with one instrumental song and five vocal songs.
On June 28, 2011, the trio appeared on the Late Show with David Letterman and twice on Huckabee talk show. They have played at several bluegrass festivals, including one with J. D. Crowe and the New South, and benefits. A YouTube video of the three brothers practicing Earl Scruggs's "Flint Hill Special" has been viewed more than 6 million times. The Sleepy Man Banjo Boys made their Grand Ole Opry debut on August 20, 2011. They have also performed at TED conferences in 2012 and 2013.