Ulf Schirmer conducts the Wiener Symphoniker in this production of Giordano's opera staged at the Bregenz Festival in 2011. Chénier is a French revolutionary poet who pines for the beautiful Maddalena. However, he has a jealous rival in the form of servant-turned-revolutionary Gérard, who sets about plotting Chénier's downfall. Performers include Héctor Sandoval, Norma Fantini, Scott Hendricks and Tania Kross.

Latvian soprano Kristine Opolais takes the lead role in Dvorak's opera about a water nymph who becomes a human being in order to find love. Recorded at the Bavarian State Opera in 2010, the production also features Klaus Florian Vogt, Nadia Krasteva, Günther Groissböck and Janina Baechle. The conductor is Tomas Hanus.

Bernd Weikl takes the lead role in his production of Verdi's opera recorded live at the Pfalztheater Kaiserslautern in 2010. Uwe Sandner conducts, and there are performances by Adelheid Fink, Wioletta Hebrowska, Carlos Aguirre and Yanyu Guo.

Highlights of Richard Wagner's Der Ring Des Nibelungen as staged by La Fura Dels Baus, and recorded live at Valencia's Palau de les Arts Reina Sofia in 2009. Zubin Mehta conducts the Orquestra de la Comunitat Valenciana.

Nikolaus Harnoncourt leads the Concentus Musicus Wien in this production of Josef Haydn's opera 'Il Mondo Della Luna' recorded at the Theatre an der Wien in 2009. Performers include Dietrich Henschel, Bernard Richter and Vivica Genaux.

Mark Elder conducts the Wiener Philharmoniker for David Pountney's 2009 Bregenzer Festspiele production of Karol Szymanowski's 'King Roger'. Scott Hendricks, Olga Pasichnyk and John Graham-Hall star.

Nicholas McGegan conducts the Festspieleorchester Gottingen in this production of Handel's opera, recorded live at the Internationale Handel-Festspiele Gottingen, with performances from Tim Mead, Marie Arnet and Kirsten Blaise.

Verdi veteran Riccardo Muti conducts the Vienna Philharmonic Orchestra for this production of 'Otello' at the 2008 Salzburg Festival. Stage direction is by Stephen Langridge; soloists include Aleksandrs Antonenko, Marina Poplavskaya and Stephen Costello.

Daniel Barenboim conducts the Staatskapelle Berlin in this 2008 performance of Prokofiev's opera, featuring performances by Vladimir Ognovenko, Kristine Opolais, Misha Didyk and Stefania Toczyska.

A visually spectacular interpretation of Wagner's opera, staged by the Catalan theatre company La Fura dels Baus, in Valencia's Palau de les Arts. Zubin Mehta conducts the Orquesta de la Comunitat Valenciana, with performances by Jennifer Wilson, Juha Uusitalo, Franz-Josef Kapellmann and Catherine Wyn-Rogers.