This undated publicity photo provided by Deutsche Grammophon and Decca Classics, U.S. shows the cover of the DVD for Puccini's "La Boheme," starring Anna Netrebko and Piotr Beczala from a 2012 ... more 

This undated publicity photo provided by Deutsche Grammophon and Decca Classics, U.S. shows the cover of the DVD for Puccini's "La Boheme," starring Anna Netrebko and Piotr Beczala from a 2012 Salzburg Festival staging of the production. Daniele Gatti leads the Vienna Philharmonic. The DVD and BluRay were released on December 11, 2012 in the US. (AP Photo/Deutsche Grammophon & Decca Classics, U.S.) less