What's hidden in Prince's vault of unreleased music?

Loved this on 60 Minutes tonight… “It's been five years since Prince died, but his estate continues to churn out new music from the prolific artist. Jon Wertheim reports on the unreleased songs – 8,000 by one estimate – locked away in Prince's vault and the newly unlocked album, "Welcome 2 America." https://cbsn.ws/3mBvmNt