6. Singing WhalesEarthly Sounds, Underwater Sound, The Nature Songs, Nature Expedition, Humpback Sounds, Whales Sample, Relaxing Noises & Nature Is Calling [feat. Oceanografers, Rivers and Streams, Tropical Ocean Waves Oasis, Wildlife Recordings, Sounds of Nature & Worldwide Nature Studios] Whale SoundsWhale Song, Whale Sounds, Sounds Of Whale Songs and more