Icy Roc Krayvyn never destroyed Tech N9ne's music in his fireplace as far as I know.. I believe he did suggest that to get attention from fans and such but he owns masters to other tracks that have never been released.. if that was the case tracks like I Can Get Grim and Smokin' On That Indo would have never seen the light of day, which just happened to end up on Icy Roc's MySpace. I would hazard to guess a lot of Tech N9ne's unreleased work is floating with multiple people, not just Icy Roc.. Don Juan, QD3 etc, etc would still have unreleased tracks.
ECF'NW.