1979 Nat Geo Flexi Disc – Songs of the Humpback Whale – Roger Payne – Whale Song
Original 1979 National Geographic Flexi-Disc – Songs of the Humpback Whale. This 33⅓ RPM stereo flexi-disc Whale Sounds or Whale Songs was issued as an insert in the January 1979 issue of National Geographic Magazine (Pages 24A–24B).