Faithfull was first discovered at a London party by Rolling Stones manager Andrew Loog Oldham, who introduced her to Jagger and Richards. Faithfull's rendition of "As Tears Go By"

Marianne Faithfull, the songstress who helped spur music's British invasion and was a muse to the Rolling Stones, died Thursday at 78.

Rolling Stones frontman Sir Mick Jagger has paid tribute to “wonderful friend and beautiful singer” Marianne Faithfull following her death aged 78. He was joined by bandmates Ronnie Wood and Keith Richards, the latter with whom Sir Mick wrote Faithfull’s first single As Tears Go By, which reached number nine in the UK singles chart.