Cellist Rebecca Humphrey Diederich lives and works in the Philadelphia area where she is an active freelancer,  performing with many US early music ensembles.  A Bach continuo specialist, she has played frequently with Washington Bach Consort, Baltimore Bach Handel Choir, Cantate Chamber Singers, Bethesda, Trinity Church, NYC and Choral Arts, Philadelphia, to name a few.  She has been principle cellist with Tempesta di Mare, Lyra Concert, Kammerensemble Luzern, Capriccio Basel, CityMusik, Chicago and Ars Musica.  Her greatest joy is playing as a founding member of Belladonna Baroque Quartet, which has toured extensively in the US and Brazil.  In Philadelphia she is founding member of many chamber groups including Aurelio, Kleinekammermusik, Seranata Notturna, aMuse and most recently The Franklin Quartet.  When not playing cello or viola da gamba, Becca is an avid tennis player and even went to nationals with her USTA team.