Library of Congress. Library of Congress. National Audio-Visual Conservation Center, sponsoring body. moving image eng With his 1979 song "The Rainbow Connection," Kermit the Frog has a place in music history as the recording joins the National Recording Registry. The song has appealed to generations of Muppets fans. Kermit discusses his music and skill with the banjo with Librarian of Congress Carla Hayden. The latest selections to the National Recording Registry were announced March 24, 2021. Classification: Music and Books on Music. Carla D. Hayden, Kermit the Frog. Recorded on 2021-03-24. https://hdl.loc.gov/loc.gdc/gdcwebcasts.210324com1200