And apparently opening night is more expensive then other days, so there is also this option in January.

January 14-18, 2005


The Philadelphia Orchestra
Christoph Eschenbach, conductor
John Keyes, parsifal
Andreas Schmidt, gurnemanz
Matthias Hölle, amfortas
The Philadelphia Singers Chorale


Kimmel Center - Verizon Hall


Late Works Festival II: Beyond the World


BERIO Stanze
WAGNER Act III from Parsifal

Different Wagner piece that I'm not familar with though, and don't know the Berio one either.