“Happy Heart” is a song written by Hans Last and Jackie Rae. The song was recorded by both Petula Clark and Andy Williams and released as a single for each at the same time. “Happy Heart” was a top 20 Easy Listening hit for Clark as well as minor pop hit, while Williams went to number twenty-two on the Billboard Hot 100 and spent two weeks at number one on the Easy Listening chart. What did you think? Please tell us in the comment section below and remember to sign up for our free newsletter.