Anna's Jig was written by Canadian fiddler Serena Eades. It is used as a reference tune in the online course "Fiddle Techniques for the Violinist." Specifically it is used for the lesson that addresses the ornament called a "hit."
For more info see www.serenaeades.com/ecourse.
Visit www.serenasmusicacademy.com for more details on private and group music lessons.