Andrea Papi, Monica Colonna, Marina Comparato. Musicians of the like of Lina Cuscinà, Vincenzo Bellezza, Franco Capuana, Ottavio Ziino, Nino Rota, Giuseppe Bertelli, Alberto Paoletti, Luigi Ricci, Rolando Nicolosi, Carlo Ventura, Fernando Cavaniglia collaborated in the past on teaching activities, while Riccardo Picozzi, Carlo Piccinato, Tatiana Pavlova, Attilia Radice taught acting and stage movement. More recently Anita Cerquetti, Enza Ferrari, Magda Olivero, Mietta Sighele, Gianpiero Taverna, Spiros Argiris, Massimo De Bernart, Giovanna Canetti, Bruno Aprea, Renato Bruson, Raina Kabaivanska have been involved in music courses. On more specific courses Carlo Bergonzi, Otto Edelman, Waldemar Kmentt, Renato Bruson, Natale De Carolis and Giovanna Canetti have collaborated on teaching activities. Stage movement and acting courses were held by Italo Nunziata, Paolo Baiocco, Alvaro Piccardi, Lucio Gabriele Dolcini, Stefano Vizioli, Stefano Monti, Daniela Malusardi, Henning Brockhaus. Directors Prestigious directors have worked at the "Sperimentale" during its Opera Seasons: Luca Ronconi (1994: Ligeia – Anacleto Morones), Ugo Gregoretti (1983 and 1995: L’Elisir d’amore – 1984: Il Barbiere di Siviglia), Gigi Proietti (1985: Don Pasquale – 1986: Le Nozze di Figaro), Giorgio Pressburger (1990: Il Pipistrello – 1993: Tragédie de Carmen – 1996: Perso per perso – L’Inganno Felice), Alvaro Piccardi (1987: Il Telefono – Mahagonny -1988: Così fan tutte – 1990: Morte dell’aria – Lighea - 1994: La Bella Verità - 1995: La Bohème), Giancarlo Cobelli (1984: Mavra – 1985: Orfeo ed Euridice – 1987: Il Mercato di Malmantile −1989: Simon Boccanegra – 1990: La Bohème), Sandro Sequi (1995: Il Matrimonio segreto), Piera Degli Esposti (1996: La Notte di un Nevrastenico – Suor Angelica - 1998: Le Parole al Buio), Stefano Monti (1996: Falstaff – 1998: Werther), Franco Ripa di Meana (1998: Don Giovanni – 1999: Le Nozze di Figaro), Henning Brockhaus (1999: Tosca – 2000: Midea2), Denis Krief (2001: Carmen), Pippo Delbono (2007: Obra Maestra), Paolo Rossi (2010: Il Matrimonio Segreto). Partnership theatres The "Teatro Lirico Sperimentale" also collaborates with some of the major Italian opera theatres. In 1991 the production of La Cenerentola presented at the Spoleto Opera Season became part of the programme of the Rome Opera Season (Bruno Aprea conductor, Italo Nunziata director). In 1994 La Bella Verità was put on in collaboration with the Teatro Comunale di Firenze and was performed both at the Teatro Comunale di Firenze and the Teatro Caio Melisso in Spoleto, the collaboration continued through 1996 with the diptych Perso per perso and L'Inganno Felice