In addition to an active career in concerts and operas, she is prolific in studio recordings, primarily with Harmonia Mundi, Naïve, and Alpha since 2018.
She collaborated with many of the leading European conductors of the Baroque revival, including Marc Minkowski, Philippe Herreweghe, Paul McCreesh, Alan Curtis, Christophe Rousset, René Jacobs, and Fabio Biondi.
She has sung Mozart roles such as Pamina in The Magic Flute, Servilla in La clemenza di Tito, Konstanze in Die Entführung aus dem Serail,[1] Donna Anna in Don Giovanni.
She has taken up French roles such as Mélisande in Pelléas et Mélisande, Sister Constance in Dialogues des Carmelites, and made forays into romantic roles including Ännchen in Weber's Der Freischütz, Nannetta in Verdi's Falstaff, Wanda in Offenbach's La Grande-Duchesse de Gérolstein, and Sophie in Massenet's Werther.
[5] Her early recordings under Harmonia Mundi include collaborations with William Christie and his ensemble Les Arts Florissants.
They recorded Purcell's The Fairy-Queen, Luigi Rossi's Orfeo, Campra's Idoménée, Monteverdi's Il combattimento di Tancredi e Clorinda and his madrigals, various operas by Rameau (Les Indes galantes, Pygmalion/Nélée et Myrthis, Castor et Pollux), in addition to sacred works including Michel Richard Delalande's Te Deum, his petits motets, and Handel's Messiah.
Her earliest recording on Virgin Classics was Rameau's Pygmalion (1993) with Hervé Niquet and his ensemble Le Concert Spirituel.
She also worked with various conductors, including Christophe Coin (Rameau: Cantates profanes, pièces en concert), Alan Curtis (Rodrigo), Christophe Rousset (Couperin: Motets), William Christie, Emmanuelle Haïm (Aci, Galatea e Polifemo), Marc Minkowski (Offenbach's La Grande-Duchesse de Gérolstein, released on both CD and DVD).
In 2012, she recorded Le Triomphe de L'amour, consisting French baroque arias with Jérôme Correas and his ensemble Les Paladin, with whom she had worked on Cavalli's L'Ormindo (Pan Classics, 2006), and even earlier on Cantates & duos italiens by Handel (Arion, 2000).
The team released Mozart's Coronation Mass & Vesperae solennes de confessore (2017) on Erato Records.
Piau's first Aparté recording is Handel's Scipione (2010) with Christophe Rousset, with whom she later collaborated in Rameau's Zaïs (2015), Mozart's Betulia liberata (2020).