Sebastian Weigle conducts the Frankfurter Opern- und Museumsorchester in this production of the first opera in Wagner's 'Der Ring des Nibelungen' series, recorded in 2012 at the Oper Frankfurt. The cast includes Terje Stensvold, Dietrich Volle, Richard Cox, Kurt Streit, Jochen Schmeckenbecher and Hans-Jürgen Lazar.

Julian Kovatchev conducts the Orchestra and Chorus of the Arena di Verona in this 2011 production of Verdi's opera. Ermonela Jaho stars as the ailing courtesan Violetta Valéry with Francesco Demuro as the gentleman she falls for, Alfredo Germont, and Vladimir Stoyanov as his father Giorgio.

Live performance of Verdi's opera, recorded in 2013 on the 100th anniversary of the Verona Arena Festival. The production stars Hui He, Fabio Sartori and Giovanna Casolla with Omer Meir Wellber conducting the Orchestra and Chorus of the Arena di Verona.

Hans Graf conducts the Camerata Salzburg in this live production of Mozart's opera, recorded at Hangar-7 as part of the 2013 Salzburg Festival. Javier Camarena and Desirée Rancatore star as lovers Belmonte and Konstanze with the rest of the cast including Kurt Rydl, Tobias Moretti and Thomas Ebenstein.

Enrique Mazzola conducts this live performance of Gaetano Donizetti's opera at the Glyndebourne Festival in 2013. The performers include Danielle de Niese and Alessandro Corbelli.

Hans Graf conducts the Camerata Salzburg in this live production of Mozart's opera, recorded at Hangar-7 as part of the 2013 Salzburg Festival. Javier Camarena and Desirée Rancatore star as lovers Belmonte and Konstanze with the rest of the cast including Kurt Rydl, Tobias Moretti and Thomas Ebenstein.

Daniel Barenboim conducts the Teatro alla Scala Orchestra and Chorus in this 2013 production of the final opera from Wagner's 'The Ring of the Nibelung'. Lance Ryan portrays the hero Siegfried with Iréne Theorin as Brünnhilde, Mikhail Petrenko as Hagen and Johannes Martin Kränzle as Alberich. The cast also includes Gerd Grochowski and Waltraud Meier.

Paolo Carignani conducts the Orchestra of the Teatro Comunale di Bologna in this 2009 production of Rossini's opera. Recorded at the Rossini Opera Festival, the performance features Yijie Shi in the title role with the rest of the cast including María José Moreno, Laura Polverelli, Roberto De Candia and Lorenzo Regazzo.

Michael Güttler conducts the Malmö Opera Chorus and Orchestra in this production of Verdi's work based on the play 'Kabale and Liebe' by Friedrich von Schiller. Recorded in Sweden in 2012, the performance stars Olesya Golovneva and Luc Robert as the young lovers Luisa and Rodolfo, with Vladislav Sulimsky as Miller and Taras Shtonda as Count Walter.

Patrick Summers leads the Wiener Symphoniker in David Pountney's production of Mozart's last opera, recorded live at the Bregenze Festival in 2013. The soloists include Alfred Reiter, Norman Reinhardt, Anna Durlovski and Bernarda Bobro.

Ambrogio Maestri leads the cast in Stephen Medcalf's 2011 production of Verdi's opera, recorded live at the Teatro Regio di Parma. Other cast members include Luca Salsi, Antonio Gandia, Barbara Bargnesi and Romina Tomasoni. The conductor is Andrea Battistoni.

The Austrian premier of Alban Berg's darkly satirical opera, recorded live at Vienna's Theater an Der Wien in 1962. In what proved to be a career-defining performance, American soprano Evelyn Lear takes on the role of Lulu, a femme fatale who descends from life as a society hostess into prostitution. Other cast members include Rudolph Schock, Paul Schöffler and Josef Knapp. The conductor is Karl Böhm.

Set in the 1950s, this production of Pergolesi's comic opera, a tale of love triangles and marriage plans gone awry, was recorded at Jesi in 2011. The performers include Nicola Alaimo, Elena Belfiore, Patrizia Biccirè and Jurgita Adamonyté, while Fabio Biondi conducts.

One of Verdi's lesser known operas, recorded live at the Verdi Festival, Parma in 2008. An all-star cast includes Bruno Ribeiro, Irina Lungu, Luca Salsi and Silvia Dalla Benetta. Carlo Montanaro conducts.

A premiere recording of Rossini's opera, staged at the Rossini Opera Festival, Pesaro in 2011. The story follows the struggles of Adelaide of Burgundy as she fights for her people during the creation of the German Holy Roman Empire in the medieval period. Dmitri Jurowski leads the Orchestra and Chorus of the Teatro Comunale di Bologna, with performances from Daniela Barcellona, Jessica Pratt and Bogdan Mihai.

A premiere recording of Rossini's first opera, performed live at the Rossini Opera Festival, Pesaro in 2010. Stage director Davide Livermore's production turns the original libretto, a tale of feuding kings, mistaken identities, and cruel fates, into a ghost story, with the action taking place behind the stage of an opera house where everone has left and only spirits remain. Corrado Rovaris conducts the Orchestra Sinfonica Gioachino Rossini, while the performers include María José Moreno, Victoria Zaytseva, Yijie Shi and Mirco Palazzi.

A production of Debussy's opera featuring the orchestra and chorus of the Zurich Opera House, conducted by Franz Welser-Möst. Recorded in 2004, performers include Rodney Gilfry, Isabel Rey, Michael Volle and László Polgár.

Francesca Zambello's vibrant production of Bizet's opera recorded live at London's Royal Opera House in June 2011. Christine Rice leads an all-star cast including Bryan Hymel, Dawid Kimberg, Maija Kovalevska and Nicolas Courjal, with conductor Constantinos Carydis making his Covent Garden debut.

The remains of the Roman baths at Baia form the unique backdrop to this performance of Mascagni's opera, recorded live in 2007. Zhang Jiemin conducts the Orchestra and Chorus of the Teatro di San Carlo, Naples, with performances from Ildikó Komlósi, Sung Kyu Park, Cinzia De Mola and Marco di Felice.

Francesco Cavalli's opera performed at the Vlaamse Opera, Antwerp, in May 2010. With staging by Mariame Clément, performers include Christophe Dumaux, Katarina Bradic and Robin Johannsen. Federico Maria Sardelli is the conductor.

Swedish soprano Miah Persson heads the cast in David Alden's production of Monteverdi's opera, recorded live at Barcelona's Gran Teatre Del Liceu in 2009. Other featured soloists include Sarah Connolly, Jordi Domènech and Franz-Josef Selig. Harry Bicket conducts.

Andrea Battistoni leads the Orchestra and Chorus of the Teatro Regio Di Parma in Stefano Vizioli's spirited production of Rossini's opera, recorded live in 2011. The performers include Ketevan Kemoklidze, Luca Salsi and Dmitry Korchak.

Puccini's opera recorded live in Genoa in 2010, with Daniela Dessi and Fabio Armiliato in the lead roles, and Claudio Sgura as Baron Scarpia. Marco Boemi leads the Orchestra and Chorus of the Teatro Carlo Felice.

Elisabeth Naske's family opera recorded live at the Komische Oper Berlin in 2010. Set in 1930s Croatia, the opera follows the fortunes of 12-year-old Branko (Adrian Strooper) who, left alone after his mother dies, roams the streets of the coastal towns, violin in hand. After teaming up with flame-haired Zora (Olivia Vermeulen) and her orphan gang, Branko and his new found friends carve a swathe through the local streets, stealing food and staying one step ahead of the local police.

Soprano Marlis Petersen takes centre stage in this production of Verdi's opera, staged at the Oper Graz in 2011. Director Peter Konwitschny's production features performances by Kristina Antonie Fehrs, Fran Lubahn and Giuseppe Varano. The conductor is Tecwyn Evans.