The phrase identifies a particular tune title coupled with the performing artists and a descriptor of its textual element. The phrase refers to a folks tune popularized by the American folks group Peter, Paul and Mary, and to the written phrases that comprise the tune. The tune itself is a lullaby, typically used to appease and luxury.
This particular mixture serves as a robust identifier. It permits people looking for the tune to rapidly find the proper model and lyrics. Its historic context locations the tune throughout the American folks music revival of the Nineteen Sixties, and hyperlinks it to the social and cultural influences of that period.