She has performed in the world premieres of operas by composers Matthew Aucoin, Daron Hagen, Nico Muhly, and Ricky Ian Gordon.
[2] She has since returned to Seattle as Musetta in La boheme (2012), the Forest Bird in Siegfried (2013), Gilda in Rigoletto (2014), and Woglinde in both Das Rheingold (2013) and Gotterdammerung (2013).
[4][5] Zetlan returned to the Met in October 2010 to portray Xenia in Modest Mussorgsky's Boris Godunov with René Pape in the title role.
[2] In 2011 she made her debut at the Santa Fe Opera as Sardula in Gian Carlo Menotti's The Last Savage.
[10] In 2015 Zetlan created roles in two world premieres: Fanny in Ricky Ian Gordon's Morning Star at the Cincinnati Opera and the Messenger in Matthew Aucoin's Crossing with the American Repertory Theater.