youtube presentation by Marston about McCormack recordings
Marston video - McCormack recordings
https://www.youtube.com/watch?v=BuGFw-SWDd4&redirect_mongo_id=5cf953c1ab676c0040f8d9c5&utm_source=Springbot&utm_medium=Email&utm_campaign=2019%2520Summer%252020%2525%2520Off%2520Newsletter
Enjoy!
Thomas.