Tickets are still available, and the performance will take place on 27th September. Check out this link to book.
Lindsay will also perform in the Ring Cycle with Washington National Opera. She will take on the role of Erda in both Das Rhinegold and Siegfried, and will perform as Schwertleite (Die Walküre) and First Norn (Götterdämmerung). The first performance will be on 30th April 2016.
Check out Lindsay's website for further details.