OK, so there is no copyright on this material. It might, in fact, be argued that some of it may infringe on copyright held elsewhere, as it is adapted from other sources. Where material has been copied directly, MIDI files on the web were used and subsequently altered as accompaniment. All piano input is original.
This material was developed for my personal use. You are welcome to copy it, change it if you wish, and even take credit for it if you must. If you have comments or questions, contact information appears on the About > Contact page.