A drones & soundscapes sound effect, generated with Stable Audio 3.0 SFX from the prompt below. Copy the prompt, change a word and generate your own version.
pure low frequency rumble bed with no midrange or top, slowly undulating, felt more than heard, seamless loop
Generated with Stable Audio 3.0 SFX. These models respond to material, action and space, so the most useful edit is usually swapping one concrete noun for another.