Jan Jackson, director of Passing Measures (renaissance/medieval music) and Passing Fancies (baroque music), has performed in early music realms for 20 years. She has served on the national boards of directors for the American Recorder Society and its educational committee.

A charter member of the American Recorder Teachers Association and a registered Suzuki instructor, she teaches privately at her studio, The Academie of Recorder Musick, at the Armstrong Music School, and at workshops, including several years at the Fall and Summer Toots. She performs frequently with the Texas Early Music Project and Two Early, a newly formed duo playing Renaissance and Baroque music on period woodwinds.