Purchase of JOM-Music is entirely optional. From this website you can listen to many full songs then freely download those qualifying, without charges or questions. PayPal "Donate" is offered, but not mandatory. (Audio @192k MP3).
Technical Writing: Sound On Sound magazine 10/2007 cover image (sold-out edition) and the beginning of that edition's cover-feature article on Data Protection, which I authored. I am currently working on a follow-up "Ultimate Data-Protection Guide for the Win DAW".