Low Frequency Modulation 4; Extremely Low Frequency Rumble With Hiss / Whine In Background; Pulsating Slowly, Then Gradually Rising In Pitch And Tempo, Close Perspective.
Low Frequency Modulation 4; Extremely Low Frequency Rumble With Hiss / Whine In Background; Pulsating Slowly, Then Gradually Rising In Pitch And Tempo, Close Perspective.