Hello Mr. Siggmus (and list) i'm intrigued to find out what happened with you're problems with rvbap? I recently reinvestigated it myself after finally finding the time, it seems like the problem is based around the external itself (or it's incompatability with my computer) that bs about the matrix~ object doesn't stand up to scrutiny, remove the matrix~ and pd still crashes, I recently found out that Olaf Matthes hasn't updated his cvs entries of rvbap in two years so could it be a compatabilty issue with pd 0.37? (well that's what I use, don't know about you). Anyway I hope you did a better job of figuring it out than I did...