Kermit the Frog performs during the 2019 Newport Folk Festival. “The Rainbow Connection” is now part of the Library of Congress audio collection.

NEWPORT, RHODE ISLAND – JULY 28: Kermit the Frog performs during the “If I Had A Song” tribute set during day three of the 2019 Newport Folk Festival at Fort Adams State Park on July 28, 2019 in Newport, Rhode Island. (Photo by Mike Lawrie/Getty Images)