The 1969 album "Let It Bleed" featured guitarist Keith Richards singing lead vocals on one song. Which song is this?

Explanation

The English rock band The Rolling Stones has recorded and released numerous of albums. During the 60's they released: "The Rolling Stones" (1964), "The Rolling Stones No. 2" (1965), "The Rolling Stones Now!" (1965), "Out of Our Heads" (1965), "December's Children (And Everybody s)" (1965), "Aftermath" (1966), "Between the Buttons" (1967), "Their Satanic Majesties Request" (1967), "Beggars Banquet" (1968) and "Let It Bleed" (1969).