Did Mick Jagger or Marianne Faithful sing Tears Go By first?

Marianne Faithfull was the first to sing "As Tears Go By." The song was written by Mick Jagger, Keith Richards, and Rolling Stones' manager Andrew Oldham, and it was released by Faithfull in 1964. The Rolling Stones later recorded their own version, which was released shortly after Faithfull's.