iirc foobar2000 (maybe it was a plugin) had some pretty intense shuffle tweaking- album-at-a-time, how far in your linear collection to jump (assuming your genr

iirc foobar2000 (maybe it was a plugin) had some pretty intense shuffle tweaking- album-at-a-time, how far in your linear collection to jump (assuming your genres were together), of course how long between plays of the same song...