Her operatic repertoire includes a large number of roles in operas by Rossini, Mozart, Gluck, Handel, Vivaldi, Monteverdi, Purcell, Bizet and Massenet, just to mention a few.

She is highly sought after as a concert singer and she frequently appears in concert halls throughout Europe and North America. She has built an unusually vast concert repertoire that spans music from the early 17th Century works up to 20th-century works. Her most performed concert repertoire, next to baroque repertoire, are Berlioz’s Les Nuits D’Été, La Damnation De Faust and L’Enfance Du Christ, Mahler’s Rückert Lieder, Kindertotenlieder, Das Lied Von Der Erde and Symphony No 2, Brahms’ Alto Rhapsody, Haydn’s Arianna A Naxos, Rossini’s Giovanna D’Arco, Beethoven‘s Missa Solemnis and Symphony No. 9, Elgar’s The Dream Of Gerontius and Schumann’s Szenen Aus Goethes Faust.

She has performed with orchestras such as the Berliner Philharmoniker, Leipzig Gewandhaus Orchestra, Orchestre de Paris, Orchestre National de France, Royal Concertgebouw Orchestra, Accademia Nazionale di Santa Cecilia, London Symphony Orchestra, BBC Symphony Orchestra, Los Angeles Symphony Orchestra, Orchestre Symphonique de Montréal, Barcelona Symphony Orchestra, Russian National Orchestra, Swedish Radio Orchestra, Royal Stockholm Philharmonic Orchestra, Danish Radio Orchestra and the Oslo Philharmonic. She enjoys a special close collaboration with the ensembles Les Talens Lyriques, Orchestre Révolutionnaire et Romantique and Europa Galante.

Ann Hallenberg has regularly worked with conductors such as Fabio Biondi, Gianluca Capuano, William Christie, Teodor Currentzis, Sir John Eliot Gardiner, Emmanuelle Haïm, Daniel Harding, Andrea Marcon, Cornelius Meister, Marc Minkowski, Riccardo Muti, Kent Nagano, Sir Roger Norrington, Sir Antonio Pappano, Evelino Pidò and Christophe Rousset.

Recent engagements include the Juditha in Vivaldi’s Juditha Triumphans in Rome with the Accademia Nazionale di Santa Cecilia, Mahler’s Das Lied Von Der Erde with Helsingborg Symphony Orchestra, Dejanira in Handel’s Hercules at the Händel Festival in Karlsruhe, Marie in Berlioz’s L’Enfance Du Christ with the Tonhalle Zürich as well as in London with The Monteverdi Choir and Orchestras, Haydn’s Arianna A Naxos and Scena Di Berenice at London Barbican with Academy of Ancient Music, Mendelssohn’s Symphony No 2, Lobgesang with the Berliner Philharmoniker as well as with Accademia Nazionale di Santa Cecilia, Beethoven’s Missa Solemnis in London and Berlin under the baton of Sir John Eliot Gardiner, the title role in Handel’s Ariodante in Ljubljana with Il Pomo d’Oro, Bach’s St John Passion with Antwerp Symphony Orchestra, Elgar’s The Dream Of Gerontius with the Swedish Radio Symphony Orchestra, the title-role in Vivaldi’s Griselda at Teatro La Fenice in Venice, the title-role in Handel’s Solomon in London, New York, Los Angeles, San Francisco and Madrid with The English Concert and arias by Handel in Wigmore Hall London with The Mozartists and Ian Page.

She has recorded more than 40 CD and DVD. At the International Opera Awards in London in May 2016 her solo-CD “Agrippina” won the award for “Best Operatic Recital”. This was her second win in the category, having also won in 2014.