The Moonglows were an American R&B group in the 1950s. Their song "Sincerely" went to number 1 on the Billboard R&B chart and number 20 on the Billboard Juke Box chart.
The Moonglows were an American R&B group in the 1950s. Their song "Sincerely" went to number 1 on the Billboard R&B chart and number 20 on the Billboard Juke Box chart.
