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From the Royal Opera House, Covent Garden, Donizetti's Lucia di Lammermoor.
Peter Maxwell Davies's opera Taverner, in performance given in 2009 at City Halls, Glasgow
From the Coliseum in London, an ENO production of Philip Glass's opera Akhnaten.
Chabrier's comic opera L'Etoile, live from the Royal Opera House, Covent Garden.
Mary King presents Tchaikovsky's Eugene Onegin from the Royal Opera House, Covent Garden.
From the Royal Opera House, Mascagni's Cavalleria Rusticana and Leoncavallo's Pagliacci.
Handel's Alcina, recorded at the Aix Festival in Provence with soprano Patricia Petibon.
Donald Macleod presents an ENO production of Verdi's opera The Force of Destiny.
From the Royal Opera House, the world premiere of Georg Friedrich Haas's Morgen und Abend.
From the Sam Wanamaker Playhouse in London, a performance of Luigi Rossi's opera Orpheus.
Chausson's Le roi Arthus from the Paris Opera with Roberto Alagna and Thomas Hampson.
Beethoven's Fidelio from the 2015 Salzburg Festival with a cast including Jonas Kaufmann.
A performance of Handel's opera Orlando in a Welsh National Opera production.
Live from Wexford Festival Opera, Sean Rafferty presents Mascagni's Guglielmo Ratcliff.
Donald Macleod presents Gluck's Orphee et Eurydice from the Royal Opera House.
Christian Thielemann conducts Wagner's Tristan und Isolde at the 2015 Bayreuth Festival.
Ivor Bolton conducts Handel's Saul at the 2015 Glyndebourne Festival.
Donato Renzetti conducts Rossini's La gazza ladra at the 2015 Pesaro Festival.
Richard Egarr conducts the Orchestra of Scottish Opera in the comic opera HMS Pinafore.
Live from the Royal Opera House, Covent Garden, Rossini's final opera Guillaume Tell.
Mozart's Don Giovanni in a performance given at the Royal Opera House, Covent Garden.
From the Coliseum in London, an ENO production of Tchaikovsky's opera The Queen of Spades.
An English National Opera production of Gilbert and Sullivan's The Pirates of Penzance.
Donizetti's Poliuto from Glyndebourne, starring Michael Fabiano and Ana Maria Martinez.
Erik Nielsen conducts WNO's new production of Richard Ayres's Peter Pan.
Live from the Royal Opera House, Covent Garden, a performance of Puccini's La boheme.
Opera North's double-bill of Falla's La vida breve and Puccini's Gianni Schicchi.
From the Theatre Royal in Glasgow, a performance of Gluck's opera Orfeo ed Euridice.
Live from the Royal Opera House in Covent Garden, Szymanowski's masterpiece Krol Roger.
From the Royal Opera House, Covent Garden, a revival of Mozart's opera Die Zauberflote.