I will follow up on a few of your observations, JP1. I subscribe to Amazon Music and they seem to have virtually everything and most in high quality streaming.

Our local theater had a recent performance of a Carole King musical. I couldn't tell you the top albums of the last 15 or more years, but the Tapestry album is an all time favorite. It might be one to check on a remaster. The recording equipment back then was relatively primitive.