Future Sounds

First we have a strange howl from a flight of new Russian fighters flying over Moscow:
Video by Dylan Malyasov (@DylanMalyasov) May 7, 2021
Then we have the SpaceX Starship prototype SN-15 resonating. It sounds like someone filling a really big bucket:

 
Starship | SN15 | High-Altitude Flight Test
SpaceX
The Starship test flight was a success. SN15 flew, landed and didn't blow up. We may get back to the moon yet.

YouTube video via daily timewaster

Update March 2025 removed embedded Twitter video as it is no longer embeddable.