an Entity references as follows:
Roberta Kelly (born November 23, 1942) is an American disco and urban contemporary gospel singer who scored three hits on the US Billboard Hot Dance Music/Club Play chart between 1976 and 1978. Her most successful US hit single, "Trouble-Maker", spent two weeks at No. 1. From 1975 until 1983, she also performed as a backing vocalist with Thelma Houston and on a number of Donna Summer albums.