American soul singer, Tami Lynn, had a top ten hit with this song, in the UK, in 1971. This was partly due to a following of Northern Soul fans. It did not chart in the USA.
This song is the theme song from the cult early 1970’s movie Shaft. It was performed by Isaac Hayes, who also made the soundtrack music. In 1971, it reached number 1 on the Billboard Hot 100 and number 4, in the UK.