Abigail Karr received both Bachelor of Music and Master of Music degrees at Rice University’s Shepherd School of Music, studying violin performance with Sergiu Luca. During summers, she participated in the Tanglewood Music Center, the Taos School of Music, the Colorado Music Festival, and the International Baroque Institute at Longy. Since completing her studies at Rice in 2003, she has performed with ensembles in and around her native Boston, including the Handel and Haydn Society, the Rhode Island Philharmonic, the Boston Ballet, and the Boston Pops Esplanade Orchestra. She has also performed with Ton Koopman at Carnegie Hall as part of that organization’s Professional Training Workshop series, and with Sergiu Luca as a guest of Houston’s Context Chamber Ensemble. She is a member of New Trinity Baroque of Atlanta, the Arcturus Chamber Ensemble, and the Rosetta Trio, and enjoys sharing her thoughts on music with her young students.

Violist Sarah Darling is always ready to explore new musical terrain. After a Bachelor's in music at Harvard and a year at the Juilliard School, she spent four years studying in Europe (Amsterdam and Freiburg) as a recipient of the Beebe, Paine, and DAAD grants. Her major teachers: Scott Woolweaver, James Dunham, Karen Tuttle, Nobuko Imai, Wolfram Christ, and Kim Kashkashian, with whom she is now completing a Master's degree at NEC. Sarah has toured extensively in Europe as a member of several chamber groups - in particular, the Amaryllis-Quartett and the Sweelinck Ensemble. She has performed in the Norfolk, Yellow Barn, Kronberg, Baden-Baden, Verbier, Holland, Sarasota, Lucerne, and Ravinia festivals. Currently based in Boston, she is a member of the Rosetta Trio, and the founder and director of the Arcturus Chamber Ensemble.

A Boston native, Kate Bennett Haynes studied chamber music with Robert Levin and cello with Rhonda Rider while earning her Bachelor’s degree in Scandinavian Studies from Harvard College. In the summers, she attended such festivals as the Taos School of Music, Kneisel Hall, Sarasota, Norfolk, and Yellow Barn. She later studied with Laurence Lesser and received her Masters degree in cello performance from the New England Conservatory in 2004. She explored her long-standing interest in early music the next year by moving to the Netherlands and studying with Jaap ter Linden at the Royal Conservatory of the Hague. Since her return, Kate has performed with the Handel and Haydn Society in Boston, the New York-based Clarion Music Society, and Toronto's Aradia Ensemble. Newly relocated to Toronto, Kate is a regular member of the Rosetta Trio, and the Arcturus Chamber Ensemble.