Public Announcement is an American R&B group, which was created by R.Kelly in 1991 after the R&B artist fired his former group MGM. They teamed with the singer for their collaboration album Born into the 90's (1992). The group is known for collection of R&B hit songs like "She's Got That Vibe", "Honey Love", "Slow Dance (Hey Mr. DJ)", "Dedicated", "Body Bumpin' (Yippie-Yi-Yo)", and "Mamacita".

Source: Wikipedia (https://en.wikipedia.org/wiki/Public_Announcement)