By now there are 3 possiblities if I am correct (and I should be)
1.Your rom could be bad (go to
www.smiff.clara.net and check the rom utility section for details)
2.The problem is in the core which means that you should try to use 1964 ver 0.7.1 (I think PJ64 savestates may work on it otherwise you'll have to start a new game on that emu)
3. The gfx plugin crashes on that part and bascially makes the game unplayable.
Let me know if the VIs at the bottom of the window are running when the game crashes and if you can still hear anything.
Let's hope it's not #3 ???