Multi octave vocal wonder (check the second sound clip for example) Minnie from Rotary Connection fame, on her best known solo album. A true soul classic...
https://www.youtube.com/watch?v=en8B2xnxNRA
https://www.youtube.com/watch?v=KhaUnHJjS8A
https://www.youtube.com/watch?v=IUssUMKOlxk
