Related Information for William Devaughn William DeVaughn (b 1948, Washington D.C.) is an American R&B singer, songwriter and guitarist, best known for the hit song "Be Thankful for What You Got".DeVaughn was a salaried government employee as a drafting technician (according to Casey Kasem, he designed sewers), part-time singer, and member of the Jehovah's Witnesses. He wrote "[ "[ A Cadillac Don`t Come Easy eventually re-written to become"Be Thankful for What You Got "(song)|in 1972, and spent $9.. read more