I have both vinyl original pressings. One is, as mentioned above, a Stan Ricker "SR/2" pressing which, I guess, refers to half speed mastering also. Try tracking this with a lightweight Bang & Olufson table and arm with MMC2 cartridge. It plays beautifully until the notorious canons. There's some breakup, but the dang B&O kept tracking! Pressed in Germany, it's an utterly wonderful record. Side Two is the music that makes it. And tracks more easily. I also have the non- SR/2 pressing. Runout space is different. Did Stan Ricker master this one too? Also, it has a gatefold sleeve. I'm guessing this is the earlier pressing. It'd be nice if they made this available in hi-res. They do have a later recording in SACD but the performance doesn't compare to Kunzel's. The cd of the original is nice (I have the latter, DIDX) but nothing like the lp.