A short history of post production dubbing
Burroughs' recordings of cut up technique that went on to inspire Bowie among others
Superb breakdown of the mix of Heroes by Tony Visconti
The Guardian 'Soundscapes in the Clouds'
Radio 4 'The Hidden Power of Noise'
Interview with recently departed godfather of drone, Tony Conrad
New York Times 'A Conversation with Whales'

(Sperm whale) vocalizations, along with blue whales’, are the loudest animal sounds on the planet; the pressure waves can blow out human eardrums and conceivably rupture lungs. Diving with them was considered suicide.

Martyn Ware of The Human League and Heaven 17 has composed a long form soundscape about the British coastline: