A soloist in the Grammy Winner album Duruflé: The Complete Choral Works, Cecilia has been praised by The New York Times as "A creamy voiced mezzo-soprano." 

Cecilia premiered the role of Renata in the first Mariachi Opera Cruzar la Cara de la Luna with the famous Mariachi Vargas de Tecalitlán, commissioned by Houston Grand Opera in 2010. Houston Grand Opera (2013, 2018); Châtelet Theatre in Paris, France; Chicago Lyric Opera, San Diego Opera, Arizona Opera, The Fort Worth Opera, Teatro Nacional Sucre, in Quito, Ecuador,  New York City Opera, El Paso Opera, Minnesota Opera, Opera San Antonio, Lyric Opera of Kansas City, and Amarillo Opera. 

Other roles originated are Renata in El milagro del Recuerdo (HGO 2019, 2022) (AZO, 2021) Dido in The Queen of Carthage, (Early Music Vancouver and re: Naissance Opera); Jessie Lydell in A Coffin in Egypt, (HGO and the Wallis Annenberg Center in L.A.); Gracie in A Way Home (HGO andOpera Southwest); Harriet/First Responder in After the Storm(HGO); Alicia in Some Light Emerges (HGO); and Alma in  "Boundless," the first episode of Houston Grand Opera’s web opera series Star-cross’d.

Operatic roles: Linda Morales in Laura Kaminsky's Hometown to the World, Melissa in F. Caccini's Alcina, Sarelda in The Inspector, Maria in Maria de Buenos Aires, Loma Williams in Cold Sassy Tree, among others. Early Music experience include performances with Ars Lyrica Houston, Mercury Houston, The Bach Society Houston, Boston Early Music Festival, Bach Collegium San Diego, re: Naissance Opera, Early Music Vancouver, Pacific Music Works, Blue Heron, Tafelmusik, The Newberry Consort, Baroque Festival Corona del Mar, AGAVE, and the Kaleidoscope Vocal Ensemble, with whom she performs early and contemporary music.