While I know Pet Sounds is one of the greatest albums of all time, and I know it sounds brilliant, until I watched this video, I never appreciated how rich and complex it was. Well worth studying to better appreciate Brian Wilson, the Beach Boys, and Pet Sounds.
Nowadays everyone would be recorded on a separate track, but back then even a four track recording (like Sgt. Pepper) was a big thing. Hence you see these photos of all the musicians in the studio.