Black Sheep released their debut album A Wolf In Sheep’s Clothing October 22, 1991

A Wolf in Sheep’s Clothing is the debut studio album from American hip hop group Black Sheep, released October 22, 1991, on Mercury Records.

The album peaked at number 30 on the Billboard 200 chart. By April 1992, it was certified gold in sales by the RIAA, after sales exceeding 500,000 copies in the United States.

The album peaked at thirty on the U.S. Billboard 200 and reached the fifteenth spot on the R&B Albums chart. It was certified gold in April 1992.

John Bush of AllMusic called the album “playfully satirical, witty, and incredibly imaginative,” and stated that “Black Sheep hit a height with their debut that few hip-hop acts would ever reach.”

In 1998, the album was selected as one of The Source’s 100 Best Rap Albums Ever.
… [source: https://en.wikipedia.org/wiki/A_Wolf_in_Sheep%27s_Clothing_(Black_Sheep_album)]