She began to work extensively in the field of historical performance, receiving a Fulbright to study baroque cello in Como, Italy for a year with Paolo Beschi.
[1] Frey was a founding member of the ensemble Pallade Musica (winners of the Early Music America Performance Competition in 2012).
[4] Her extensive discography, of largely unknown repertoire, on the Passacaille and Analekta record labels, has won several prizes and critical acclaim.
In addition to recording, she has also made critical editions of the complete cello music of Giuseppe Clemente Dall'Abaco and Antonio Vandini.
She is on the faculty of the Schulich School of Music at McGill University and the Université de Montréal, teaching baroque cello and performance practice.