mAirlist Auto Importer Script

Looking to automate renaming an audio file to add prefix to a file accordingly when dropped to a specific desired folder. for Example I have 3 folders Jingle, Song, Ads. If a file mysong23.mp3 was dropped to pc folder named Songs, i want to automatically rename the file to KRYP-mysong23.mp3 before getting imported to the assigned storage.
Thanks,KG