L. Mark Slawson (harpsichord) received a BA degree in composition from Union College and a masters degree in harpsichord from New England Conservatory. He has performed with Cantorum Baroque Ensemble, Boston Renaissance Ensemble, La Sonnerie de St. Botolphe, among other baroque groups. He is currently organist and music director at Second Parish, Hingham. Mark is on the board of the Cambridge Society for Early Music and the Society for Historically Informed Performance (SoHIP).

Constance Cook (soprano) performs in the Boston area in concerts of baroque, medieval, renaissance, modern and traditional folk music. She teaches music in the Norwood Public Schools, serves on the Operatunity faculty in Foxboro, MA, and teaches and coaches adults and children privately. She has recorded as a member of traditional music duo Little Blue Heron (No Bee Without the Rose) which features interpretations of music from Appalachia, the British Isles and original music; as the descant soloist in Sonora's American recording of Rodion Shchedrin's The Sealed Angel; and with LivingFolk records. Constance has performed at New England Folk Festival (NEFFA) in Natick, MA, as part of Little Blue Heron. She sang in Coro Allegro's 2006 (world) premiere of "Shofar:, an oratorio by composer Robert Stern of Amherst, Massachusetts.

Laurie Israel (violoncello) specializes in baroque cello performance practice. She received a masters degree in musicology/theory from University of California. Laurie has performed in the SoHIP concert series with Complesso Soave and The Splendid Century, and also performs a solo unaccompanied cello series entitled "Bach, Bach & Beyond". Laurie has created a book of arrangements of nine baroque keyboard pieces for unaccompanied cello, violin, and viola which is now available. See Bach, Back & Beyond portion of this website for information. She is also a visual artist, appearing in a number of shows in Massachusetts and New England.