I searched about J dilla-sampled song, and I found very interesting article. check it. and I want website about Jay dee's original sample. please let me know!!!
http://wpnob.blogspot.com/2006/07/time-that-tasty-donut-4-convolutions.html
http://wpnob.blogspot.com/2006/07/time-that-tasty-donut-4-convolutions.html