The Wikipedia entry for Pink Floyd’s “Goodbye Blue Sky” asserts that the sound in the beginning is “the sound of approaching bombers.” Is this known for sure? Is it possible instead that it’s an approaching V-1 buzz bomb?
Vintage recording of V-1 in flight
Pink Floyd’s “Goodbye Blue Sky” (sound occurs between 10 and 20 seconds from start)
Or were there German bombers that sounded very similar to that?