Olivia Newton-John & Cliff Richard - Suddenly

"Suddenly" is a duet performed by Olivia Newton-John and Cliff Richard from the soundtrack Xanadu, and is the love theme from the 1980 film of the same name. It was released on October 10, 1980 and eached number 15 on the UK Singles Chart on November 8, 1980 and number 20 on the US Billboard Hot 100 in January 17, 1981.