Proving Up, is a contemporary opera composed by Missy Mazzoli. Set in the harsh and unforgiving landscape of the American frontier in the 1860s, the opera tells a haunting story of perseverance and the pursuit of the American Dream. The narrative centers around the Zegner family, who have settled in Nebraska and are determined to “prove up” their land to secure their own piece of the American Dream. The opera delves into themes of identity, sacrifice and the human desire for progress and prosperity. Missy Mazzoli’s evocative score blends haunting melodies with contemporary sounds, creating an immersive experience that reflects the emotional turmoil of the characters and the haunting vastness of the American frontier. With its thought-provoking storyline and innovative musical language, Proving Uppushes the boundaries of the traditional opera genre and captivates audiences with its depiction of the tested human spirit.