Soloist of international ensembles, he has performed under the baton of Jordi Savall, Jean-Claude Malgoire, Nikolaus Harnoncourt, René Clemencic, Andrew Parrott, William Christie and Philippe Herreweghe.
Philippe Starck | Louis Philippe II, Duke of Orléans | Philippe II, Duke of Orléans | Philippe Parreno | Philippe Pétain | Philippe Herreweghe | Louis Philippe I | Philippe Pinel | Jean-Philippe Rameau | Philippe Leclerc de Hauteclocque | Philippe I, Duke of Orléans | Philippe Quinault | Philippe Gilbert | Philippe Entremont | Philippe Beaussant | Philippe Léotard | Philippe Jaroussky | Philippe Douste-Blazy | Philippe d'Orléans | Philippe de Rigaud Vaudreuil | Philippe C. Schmitter | Philippe Boesmans | Philippe Bercovici | Jean-Philippe Collard | Prince Ferdinand Philippe, Duke of Orléans | Prince Ferdinand Philippe | Prince Charles Philippe, Duke of Anjou | Philippe Troussier | Philippe Saisse | Philippe Quint |
Starting in 1985, Mellon also worked under the direction of Philippe Herreweghe, with La Chapelle Royale (1985–1990) and the Collegium Vocale Gent (1990–1996), interpreting Charpentier, Heinrich Schütz, Monteverdi, Jean Gilles, and Johann Sebastian Bach.
She has since appeared at major concert halls, performance venues, and music festivals throughout Europe, Israel, Japan, Canada, the United States and Russia, singing under the batons of people like Frans Brüggen, William Christie, Michel Corboz, Reinhard Goebel, Philippe Herreweghe, René Jacobs, Sigiswald Kuijken, and Karl-Friedrich Beringer.
Schuldt-Jensen has also worked as choir master with conductors such as Simon Rattle, Colin Davis, John Eliot Gardiner, Herbert Blomstedt, Lothar Zagrosek, Riccardo Chailly, René Jacobs, Philippe Herreweghe, Peter Schreier and Marcello Viotti, and worked on performances with these conductors with orchestras such as the Berlin Philharmonic, Orchestre National de France, Freiburger Barockorchester and the National Danish Radio Symphony Orchestra.