She is a cellist who was a performer with the Concerto Soloists Chamber Orchestra of Philadelphia. With them she performed on the 1987 Gloria! Gloria!, which was recorded alongside the soprano Benita Valente and The Philadelphia Singers.
The Philadelphia Singers recordings
Adeste Fidelis (Frederick Oakeley/John Francis Wade)
RCA 6559-2-RC (Gloria! Gloria!)
Soprano – Benita Valente
Concerto Soloists Chamber Orchestra of Philadelphia
Conductor – Michael Korn
Here is Benita Valente performing “O Holy Night” from Gloria! Gloria album which Barbara performs on…
Sources:
CD Liner Notes: Gloria! Gloria!