> I guess these were also the X-alyser days? I never worked with this program > (have Explorer 32 though) but is it true that in X-alyser you could draw a > 3D spectrum on screen and you could make the program calculate the the > obligatory FM sound? Sadly, no. You could display the Fourier analysis of an FM sound - which looked pretty! - but not draw a frequency plot and expect the program to calculate the patch, which would certainly have been very useful. Great program, though. Mark Ayres. Composer/Sound Designer http://ourworld.compuserve.com/homepages/Mark_Ayres/