Flashback: Aretha Franklin Sings an Astonishing 'Dr. Feelgood' in 1971

Aretha Franklin is rightly revered as one of the great singers of all time – the single greatest, according to Rolling Stone’s official rankings – but sometimes that overshadows her other talents, including her songwriting and her piano playing. On the night of March 6th, 1971, in the middle of a three-show…