• In this April 21, 2016 file photo, people stand outside entertainer Prince's Paisley Park compound in Chanhassen, Minn. Since Prince died, YouTube and other uploading sites have been flooded with hundreds of hours of the superstar musician's songs, concert footage, TV appearances and music videos. It's a sign that the notoriously tight copyright controls the artist maintained over his material is rapidly loosening, and raising hope that hardcore fans might someday hear the Holy Grail of Prince's music: unreleased recordings from the vault at Paisley Park. (Jim Gehrz/Star Tribune via AP, File) MANDATORY CREDIT

    Fans’ Holy Grail: unreleased songs in Prince’s vault

    LOS ANGELES (AP) — Before his death, fans searching online for Prince were likely to find just a handful of his performance videos and almost none of his recorded music. In the days since he died, YouTube and other uploading sites have been flooded with hundreds of hours of the superstar musician’s songs, concert footage, TV appearances and music videos.