When Prince released his Purple Rain soundtrack 30 years ago, the world changed forever. Now a staple of American rock music, Prince’s sixth studio album is still considered to be one of the greatest records of all time, and has influenced everyone from Outkast to Janelle Monae.

When Prince released his Purple Rain soundtrack 30 years ago, the world changed forever. Now a staple of American rock music, Prince’s sixth studio album is still considered to be one of the greatest records of all time, and has influenced everyone from Outkast to Janelle Monae.