Stevie Wonder hits #1 with "Sir Duke" on May 21, 1977

"Sir Duke," Stevie Wonder's tribute to Duke Ellington from his Songs in the Key of Life album went to #1 on the US singles charts on May 21st of 1977 where it stayed for 3 weeks. It was his 6th US #1 hit. "Sir Duke" hit #2 on the UK charts.

Stevie Wonder performing "Sir Duke" (and another Songs in the Key of Life hit "I Wish") live: