Question: Puff and the incredible Mr. Nobody is loosely based on what song that was made popular in a 1963 recording by Peter, Paul and Mary?
Sentence (from "Peter Allen (musician)"): His songs were made popular by many recording artists, including Elkie Brooks, Melissa Manchester and Olivia Newton-John, with one, "Arthur's Theme" by Christopher Cross, winning an Academy Award for Best Original Song in 1981.
Relevant evidence: No