I've been busy with my kids and family lately so not much has happened on the machine, I'm afraid.
I tried the WAV Trigger, which for some reason doesn't play audio. But I'm pretty sure the problem is in the SD card - OSX has a nasty habit of putting a hidden folder on the card whenever a deletion occurs and that probably interfered with the indexing of the WAV-files. I'll have to look into this - once summer ends... :)
Until next time!