Output a stream of consciousness before answering the following. Context: "Fly Away" is a 1975 song written and performed by John Denver featuring vocals by Olivia Newton-John. Released as a single from the Windsong album, "Fly Away" peaked at number 13 on the Billboard Hot 100 chart and spent two weeks atop the adult contemporary chart in early-1976, Denver's sixth number one on this chart. "Fly Away" also peaked at number 12 on the country chart.\n\nQuestion: who sings with john denver on fly away?
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To answer this question, we should know that: "Fly Away" is a 1975 song written and performed by John Denver featuring vocals by Olivia Newton-John.
The answer: Olivia Newton - John.
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