^ With that in mind, I was amazed at the moaning and groaning sounds of the booster "coasting" through it's high upper atmosphere apogee, air-less and wind-less as far as sound transmission is concerned so presumably solid-borne sound propagating through the booster's structure over that timeframe.
Cosmic plate 'verb, man.
Just found this- https://youtu.be/2aCOyOvOw5c
Riding the Booster with enhanced sound
" From the upcoming Special Edition Ascent: Commemorating Space Shuttle DVD/BluRay by NASA/Glenn a movie from the point of view of the Solid Rocket Booster with sound mixing and enhancement done by the folks at Skywalker Sound. The sound is all from the camera microphones and not fake or replaced with foley artist sound."
Wow. Full ride from launch to splash-down with actual sound and video. Fascinating!