New Breed is a Christian Latin hip hop duo from Boston, Massachusetts, consisting of brother and sister Rosario "Macho" and Elsie Ortega. An affiliate of the underground hip hop collective Tunnel Rats, the duo has recorded and toured both as part of the Tunnel Rats and independently. After joining the Tunnel Rats in 1998, New Breed appeared on the DJ Maj mixtape Full Plates with the song "What's My Name" in 2001, and later that year on the Tunnel Rats album Tunnel Vision. The duo released its first album, Stop the Music, in 2002, and then appeared on the Tunnel Rats albums Underground Rise, Volume 1 in 2003 and Tunnel Rats in 2004. A second album from New Breed, Nine, came out in 2004.