has served as director of the University of Louisville Early Music Ensemble since 1977. Primarily a harpsichordist, he also plays violin, viola da gamba, and Renaissance winds and has taught for many years for the Viola da Gamba Society of America, Amherst Early Music, and the Seattle Recorder Society, among others, as well as serving on workshop faculties in England and Australia, where he will return in March of this year. Jack contributed the chapters on keyboard instruments to Schirmer's Performer's Guide to Renaissance Music (articles "Organ," "Clavichord," and "Harpsichord," with "Proto-Continuo" written in collaboration with Paul O'Dette) and co-wrote the chapter on basso continuo (also with Paul O'Dette) for Schirmer's Performer's Guide to Seventeenth-Century Music. In addition to these and various other articles and reviews, he has written liner notes for various CDs of Renaissance violin music and provided continuo realizations for Elizabeth Phillips' edition of the complete works of Henry Butler (A-R Editions) and Caroline Cunningham's edition of The Seasons, by Christopher Simpson, for Dove House Press. Jack received the Thomas Binkley Award for Outstanding Achievement by a Collegium Director from Early Music America in 1999, as well as U of L's Distinguished Undergraduate Teaching Award in 1995. He is past president of the Viola da Gamba Society of America..