The five hundred and ninety-first album: #591 Prince - Sign 'o' the Times
If it's time for another double album, Prince is the artist to do it with. His funk/pop sound is unique, perfected to a T without becoming clinical, the tracks are all catchy and unique without feeling like it goes all over the place. The lyrics and themes are different, from serious world order to admiring a weird girl's ideas back in school. It's strong and compassionate, human and emotional from someone who feels like he might have felt isolated from that. It's all Prince, but there are that many layers to his work.