This video says about itself:
24 October 2012
These two sand dunes both “sing” when sand rolls down their sides. But they sing quite differently.
One of the dunes is near Tarfaya in Morocco. The other one is in Oman.
See also here.
Singing Sand Dunes Explained: here.
Behind the strange noises of sand dune avalanches.
Related articles
- More Clues About Singing Sand (science.kqed.org)
- For Tune-Carrying Sand Dunes, the Key Lies in the Grains (livescience.com)
- Why ‘singing’ sand dunes hum certain notes (phys.org)
Dear Kitty. Some blog 
Wow !!!! Ich habe vor einer Stunde nach Wüstenurlaub im Oman gegoogelt. Und zeitgleich hast du diesen Link veröffentlicht… stark.
lg magdalena
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I have never been in the desert in Oman; but I was in the desert in Morocco 🙂
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I would like to go next year for holiday, or Tibet or India 🙂
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I hope that you will have a good holiday 🙂
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Amazing sounds… the last one reminds me of the Australian didgereedoo
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Yes, beautiful. I can’t be sure whether, when humans first made music, sounds like this were an inspiration.
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