In 2019 he studied in Italy with M. Devia, N. Martinucci, M. Pertusi at the Opera Singers Academy of the Luciano Pavarotti theatre in Modena, and performed Il Barone di Trombonok (Il viaggio a Reims) at the XXXI Accademia Rossiniana “Alberto Zedda”.
In 2021 Andrei took part in the Berlin Opera Academy Opernfest in Switzerland, where he interpreted Eisenstein (Die Fledermaus) and covered Papageno (Die Zauberflöte). The same year he won third prize at the 8th George Enesco Competition (Paris).
In the 22/23 season as a soloist with L'Opéra Studio de l'Opéra National du Rhin among numerous concerts he performed Don Magnifico (Cenerentolina, french reduction), Captain, Hermann Augustus (Candide) and Mandarin (Turandot).