Black Sheep became part of music's hip-hop landscape in 1991 with the release of their debut album, A Wolf in Sheep's Clothing, whose single "Flavor of the Month" sealed the duo's popularity. At the time of their debut, Black Sheep were one of many New York City-based hip-hop and rap groups attracting national attention; Cypress Hill, Naughty By Nature, Brand Nubian, and L.O.N.S. had all paved the way for Black Sheep's appearance.