Fifty years ago today the Rolling Stones recorded "Not Fade Away" at Regent Sound in Denmark Street, or Tin Pan Alley as they called it in those days. According to Keith Richards it was a tiny room at the back of a shop, with a two-track Revox mounted on the wall and sound-proofed with egg boxes. According to this it wasn't much different when Black Sabbath came there in 1970 and recorded "Paranoid".
Andrew Loog Oldham was the Stones producer though he didn't have much more experience than they did. They later did their first album in the same place. I still think it's the best first album ever made by anyone. According to Keith the tiny room made it easier to make those first albums "but hard to make a better one".