NC All-County/District/State Solo recordings:
https://docs.google.com/spreadsheets/d/1MwqZ4s_NVbBu3iPHB_tDO7Q5tB3bi_JsxB8FzlERVyU/edit?usp=sharing​


For Percussionists:
http://vicfirth.com/40-essential-rudiments/