Sun Ra on Sugarmegs

Sugarmegs.org 

This is a live-music sharing site that has been around since the mid '90s.  The site includes an enormous database of streamable, downloadable music - it claims over 44,000 shows!  I counted 64 Sun Ra concert/radio recordings available.  After accessing the database (click the picture reproduced in this post), you will see several search options.  I entered 'sun ra' in the search box and received nearly 90 results.  If you prefer,  choose "S" and scroll down the alphabetical list until you find Sun Ra (keep scrolling, 'S' is  big!).  Here is an example of an entry:

View SetList   Download   SunRa1971-06-12WhidneyHighSchoolWattsLosAngelesCA.asx 

Left-click 'download' to stream or right-click to save to your hard drive.  The files are wma.

Thanks to an anonymous visitor for the reminder!

Caveat:  The files there are small so the fidelity is marginal at best.
You're likely to be amazed at the selection, though!