The Very Reverend Sir Monti Rock III (born Joseph Montanez, Jr. May 29, 1942 in The Bronx, New York City) is an American musician and performer.

[1] Joseph Montanez, Jr. was born on 29 May 1942 to a Puerto Rican family in the Bronx, New York City.

[2] After several appearances and performances on The Merv Griffin Show beginning in 1966, Rock's personality brought him to the national stage when he began appearing regularly as a guest on The Tonight Show.

[3] In February 1975, he released Disco-Tex & His Sex-O-Lettes Review, an LP of Disco songs and collaboration with producer Bob Crewe, also featuring musician Jerry Corbetta of band Sugarloaf.

By the end of the 1970s, Disco music was fully mainstream, and Rock also appeared in the movie Saturday Night Fever as the DJ.