Marianne Beate Kielland is established as one of the foremost singers of Europe and is the only Norwegian singer to have received a US Grammy nomination in the category «Best Vocal Classical Album». The versatile mezzo-soprano started her international career as an ensemble member of the Staatsoper Hannover, and since then she has been working frequently with leading orchestras and ensembles and enjoying a vast concert repertoire spanning from early 17th century works through to Classical, Romantic and the contemporary eras.

She has appeared with major orchestras and ensembles including Wiener Symphoniker, Oslo Philharmonic, Bergen Philharmonic, Gulbenkian Orchestra, Belgian National Orchestra, Liverpool Philharmonic, Norwegian Radio Orchestra, Gothenburg Symphony, Swedish Chamber Orchestra, Moscow Chamber Orchestra, Budapest Festival Orchestra, NDR Radiophilharmonie Hannover, Dutch Radio Orchestra, Orchestra of the 18th century, Iceland Symphony, Mahler Chamber Orchestra, Royal Flemish Orchestra, Akademie für alte Musik Berlin, Concerto Köln, Europa Galante, Les Talens Lyriques, RIAS Kammerchor, Anima Eterna, Le Concert des Nations, Collegium Vocale Gent and Bach Collegium Japan; and has worked with such distinguished conductors as Herbert Blomstedt, Leonardo Alarcon, Rinaldo Alessandrini, Fabio Biondi, Thomas Dausgaard, Fabio Luisi, Michel Corboz, Juanjo Mena, John Fiore, Philippe Herreweghe, Manfred Honeck, René Jacobs, Andrew Manze, Marc Minkowski, Vasily Petrenko, Daniel Reuss, André de Ridder, Helmut Rilling, Christophe Rousset, Jukka-Pekka Saraste, Jordi Savall, Masaaki Suzuki, Thomas Søndergård and Robin Ticciati.

Kielland is also in great demand for Baroque operatic roles including Dido in Dido and Aeneas by Purcell, Merope in Vivaldi’s Oracolo in Messenia (an extensive tour with Europa Galante), Messaggiera and Proserpina in Monteverdi’s Orfeo, Fernando in Attilio Ariosti’s La Fede nei tradimenti, Apollo in Handel’s Terpsichore, Ercole in Caldara’s Il piu bel nome, Monteverdi’s Il Combattimento di Tancredi e Clorinda and Aronne in Francesco Nicolò Fago’s Il Faraone Sommerso. She has also appeared as Fricka in Wagner’s Das Rheingold. 

Kielland has made more than 50 CD recordings of oratorios, operas, cantatas and songs by Bach, Handel, Vivaldi, Caldara, Scarlatti, Beethoven, Schumann, Mahler, Mussorgsky, Martin, Chausson, Korngold, von Suppé, Schönberg, Webern, Berg and Sigurd Islandsmoen. In 2012 she was nominated to a GRAMMY Award in the category Best Classical Vocal Solo for the album Veslemøy Synsk, which features works by composers Edvard Grieg and Olav Anton Thommesen. She performs regularly with pianist Nils Anders Mortensen and the duo has appeared in Norway, Germany Estonia, Russia and Finland. She has also appeared with pianists such as Leif Ove Andsnes, Pascal Roge, Jean-Efflam Bavouzet, Lise de la Salle and Jos van Immerseel.