Amanda Palmer provides vocals on this 10+-minute Purple Rain cover, backed by Jherek Bischoff and a string quartet consisting of Serena McKinney (violin), Ben Ullery (viola), Alma Fernandez (viola) and Jacob Braun (cello).
It's $1 to download from Bandcamp, with proceeds to the Elevate Hope Foundation, founded by Prince protege Sheila E to provide music therapy to abused and abandoned kids. Prince himself was a supporter of the foundation.
Purple Rain
[Amanda Palmer & Jherek Bischoff/Bandcamp]
(via Metafilter)