Hi, I have found some suitable sounds for a didgeridoo at specific points in a song we are putting together. (Solid rock by Goanna) The sounds are wav files. I thought I needed to use multipad - but when I tried to create an mpad with these files, it told me the file type is not supported. So, how can I make use of these files in my PSR SX700? If I need to convert them to something else, what to and how? Thanks for your help.