I really like the effect cryo treatment has on SOME materials. After reading the writing of some weenie audio writer who liked cryo'd LP's, I thought I'd add a few LPs to my order with Cryo International. As I feared, every single LP came back warped and unplayable! There were sections I was able to play (typically the inner track) and I compared them to a non cryo of the same LP. Cryo had no significant effect on the LP sound. It sounded identical to me. So there you have it. No improvement, 100% damaged and unplayable.
I like cryo for tubes, copper cables and various parts. BE CAREFUL!