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It's been an unfortunate week for R&B and soul. Yesterday (Wed., Feb. 1) -- on the same day as "Soul Train" founder Don Cornelius' death -- R&B/gospel singer, David Peaston, died at 54 years old.

Peaston's cause of death is inconclusive, according to St. Louis Post-Dispatch. Peaston battled with diabetes and had both of his legs amputated, starting with his right leg in 2004. In an interview with Post-Dispatch, Peaston expressed disappointment in himself over his illness.

"I didn't want to be back in the public. I wasn't embarrassed or ashamed, but I felt I let myself down and, therefore, I let everyone else down. It was my fault for being sick, and I didn't want anybody to see me like that," Peaston said.

Here, David performs "Everything Must Change" at "Showtime at the Apollo"