IfYouLoveMe{LetMeKnow}(JohnRostill;OliviaNewton-John,Australia) • Whose Song?

IfYouLoveMe{LetMeKnow}(JohnRostill;OliviaNewton-John,Australia)
is a song by
OliviaNewton-John,Australia
it was released on
BackToTheBasics1971-92