According to the Billboard Reports; Universal, Sony, and Warner are all bidding on Prince's Lost Vaults of music. The current bid? Around $35 million
So why should you as an Independent Artists or Producer never stop making music? Well if you're truly passionate about your work, then it will reflect in your craft. Once you master your craft, then you will create Master Pieces. Prince understood that, and so do many musicians through out the world. Practice Practice Practice!