Toppa Top 10: Ten Artists You Might Not Know Are Guyanese 10 9 8 7 6 5 4 3 2 1 1 February 21, 2013 6. Deborah Cox Toronto native Deborah Cox is Canada’s Quiet Storm queen, known for massive ballads like “Nobody’s Supposed to Be Here,” the first song by a Canadian artist to top the US R&B charts. Both of her parents hail from Guyana.