Once an artist passes away the live and online record shops are filled with their CD/LP records at very high prices.
Although we can't help it, we do have a say in their music.
Personally I have followed SOC's music first through his collaborations with Peter Gabriel and Afro Celt Sound System. On vinyl I have his first album which I should revisit.
A friend of mine recorded me a few years ago a CD with his collaborations "Collaborations", the second part of which I liked...