She does not say that those 15gb where "legally downloaded". They where copied to her iPod by a friend. She also ripped CDs and copied music from other sources, which are not categorized as "illegally downloaded". Seemingly "illegal downloading", in her eyes, is only done via file-sharing networks.
Last time I tought about trying to make OpenCola with a friend the ingredients looked pretty expensiv. It didn't seem very viable to produce on your own.