i think .ins are instrument definition files for cakewalk to help you in calling up the patches/instruments for a particular midi device...
it should be located where your cakewalk installation folder is. usually its yamaha.ins or master.ins and you have to import it by a series of complicated manuevers.... not really that complex...
it would be better to pm mod KitC because 1. he has an MU80 2. he knows cakewalk and sonar inside and out 3. he is really an expert.....
you should also check out the Keyboards forum and also the Musical tech forums.....
welcome to the forums and I hope you are staying here for quite a bit...
lots of things to learn and to help others with....
