Regular guest in important theatres in Italy and abroad he collaborated with conductors as Mehta, Bartoletti, Bacalov, Soltez, just to name a few. He works regularly with Biondi and Europa Galante and renowned baroque conductors as Alessandrini, Curtis, Marcon, Savall, Zedda. His opera repertoire include works by Mozart, Bellini, Rossini, Donizetti, Verdi and Puccini as well baroque one: in the past seasons Mr. Abbondanza performed masterpieces by Monteverdi , Cavalli, Händel, Scarlatti, Vivaldi and Jommelli. Leading exponent of the contemporary repertoire, he performed pieces by Barber, Bernstein, Sinopoli, Adams, Bacalov, Britten, Boccadoro, Bussotti, Dallapiccol,  Ligeti, Maderna, Malipiero, Nono, Pärt, Petrassi, Schoenberg, Stravinskij and also numerous première.