She then attended a four year course of harpsicord and basso continuo studies at the Schola Cantorum Basiliensis with Jesper B. Christensen and followed seminars with Bob van Asperen, Emilia Fadini, Andreas Staier.

She won prizes in national and international competitions both for harpsichcord and chamber music.

She concertizes all over the world as soloist, in chamber music groups and in baroque orchestras, and has played with Ensemble Aurora, Accademia per Musica, Cappella della Pietà dei Turchini, Ensemble Zefiro, Ensemble Mare Nostrum, Ensemble Cantar Lontano, taking part in important Early Music Festivals as: Festival di Musica Antica (Urbino), Musica e Poesia a S. Maurizio (Milano), International Haendel Festspiele (Gottingen), Festival of Montreaux, Festival Cervantino (Mexico City), Festival de Sablé, Barokfest of Münster.

Anna Fontana is a regular harpsichord player in the Ensemble "Gli Incogniti" directed by Amandine Beyer, with whom she made many recordings and gained prizes and much appreciation from the critic.

She recorded for various European Broadcasts and for the labels Opus 111, Agorà, Naxos, Capriccio, La Bottega Discantica, Arion, Zig Zag Territoires, Hyperion and Sony. For the label Alpha she recorded with the Ensemble Café Zimmermann the concertos for 3 and 4 harpsichords by J.S.Bach.

Anna Fontana is at present devoting herself to the organ and fortepiano, with special regard to the four-hands piano repertoire, in duo with Attilio Cremonesi.