In 2013 Silber performed in concert and recorded the role of Maria in "West Side Story" with the San Francisco Symphony under the baton of Michael Tilson Thomas. That recording was nominated for the 2015 Grammy Award for Best Musical Theater Album, and Silber performed music from "West Side Story" at the 57th Annual Grammy Awards. In the summer of 2013 she appeared as Amalia Balash opposite Santino Fontana in Jerry Bock's "She Loves Me" at the Caramoor International Music Festival. In December 2013 she performed in the world premiere of David Del Tredici’s "Dum Dee Tweedle" with the Detroit Symphony Orchestra under Leonard Slatkin. In 2014 Silber starred in Victor Lodato and Polly Pen's Off-Broadway musical "Arlington". Later that year she was the soprano soloist in Andrew Lippa's oratorio "I Am Harvey Milk" with the Gay Men's Chorus of Los Angeles at Walt Disney Concert Hall.