[4] In 1999, Hart attended the Oregon Bach Festival's Youth Choral Academy for the first time,[5] led by Anton Armstrong and Helmuth Rilling.

[5] Starting in 2001, Hart took professional singing lessons with voice teacher Beverly Park, who encouraged her to study with Richard Miller at the Oberlin Conservatory of Music.

[9] Hart received her Master of Music degree in Opera Theater from Oberlin Conservatory in 2006,[1][10] and was awarded the Faustina Hurlbutt Prize, for an outstanding graduating student in cello, piano, violin, or voice.

[9] Hart's operatic repertoire spans Baroque roles such as Handel's Alcina,[19] and Almirena in his Rinaldo,[20] leading ladies in Mozart operas such as the Countess in Le nozze di Figaro,[21] Donna Anna in Don Giovanni,[22][23][24] and Fiordiligi in Così fan tutte.

[25] She appeared in roles from the 20th century, such as Lady Billows in Britten's Albert Herring,[26] Elle in Poulenc's La voix humaine[27][28] and Blanche in his Dialogues of the Carmelites.

[7] Here she returned to the role of the woman ("Elle") in La voix humaine in an all female production, staged by Karin Kotzbauer, conducted by Sachie Mallet, in set and costumes by Tatiana Tarwitz, and with dramaturge Elizabeth Wirtz.

[47][12] With the same orchestra she sang in a Holiday Pops concert conducted by Marvin Hamlisch, where she premiered his song Chanukah Lights, an original composition written for the occasion.

[41] In September 2010 she sang Marie in excerpts from Rufus Wainwright's Prima Donna alongside Janis Kelly as Régine with the Oregon Symphony under Carlos Kalmar.

[54][55] In the summer of 2012, Hart sang in concerts with conductor Eve Queler, who she previously had worked with in a production of Le nozze di Figaro at Oberlin.

[66][67] In several sold out performances at the Staatstheater and the Darmstadt Synagogue,[68] she sang Simon Sargon's Shema: 5 Poems of Primo Levi, Korngold's Drei Lieder, Op.