Season 2012-2013 starts with her debut in Il Barbiere di Siviglia. She will be performing also in Die Fladermaus, Carmen, debuting with the musical Good Evening Mr. Wilde, La Boheme, Don Pasquale, Die Lustige Witwe, Im Weissen Rossl, La Traviata, Lucia di Lamermoor, and more to come.
For the 2011-2012 season, soprano Diana Tugui makes her celebrated return to the Camerata Sant Cugat, where she performs arias from Manon and La Boheme in an unforgettable concert recital at the Theater Auditorium, a charity concert to benefit the Jose Carreras Leukemia Foundation. She is present at the Opening Night Gala Concert at Elena Teodorini Lyric Theater, and starts her second year collaboration with Ion Dacian Opereta Theater in Bucharest in the performance Die Fledermaus. In December 2011 she is a guest soloist at the Viennese Christmas Gala Event at The Palace Hall in Bucharest where she performs with the European Royal Orchestra and the special guests the Ukrainian composer and violinist Edwin Morton and conductor Gottfried Rabl.
Additional engagements with the Elena Teodorini Lyric Theater includes performances in La Traviata with tenor Marius Zaharia, and The Merry Widow. As a continuous collaboration with the Oltenia Philharmonic she performs in the vocal symphonic concert together with baritone Sandor Balla and conductor Marius Hristescu in the closing night gala.
Season 2010-2011 is a challenging and full of accolades for Diana. She participates at the prestigious Wilhelm Stenhammar International Voice Competition in Sweden where she is awarded fourth prize and performs with the Norrkoping Symphony Orchestra led by guest conductor Nader Abbassi, artistic director and principal conductor of the Cairo Opera Orchestra. The final round of the competition drew an audience of over 800 and as a winner of the competition she receives the invitation to perform at galas at Katara Opera House in Doha, Qatar and at Cairo and Alexandria Opera Houses in Egypt. She debuts at Katara Cultural Village Opera House in a recital concert with Qatar Philharmonic Orchestra in their first concert of the year 2011.
She continues to improve her vocal technique by attending the International Masterclass held by famous mezzo soprano Viorica Cortez at the Moulin d’Ande, France. She takes private lessons with Viorica Cortez and the amazing opportunity to sing in duet with her at the Theater with Maxime Neyret as a pianist. The Merry Widow, Falstaff and Die Fledermaus are just few engagements with the Elena Teodorini Lyric Theater in season 2010-2011.
The season is ending with its 6th run of the summer open air regale of classical music at Bucharest Music Film Festival where she performs arias and duets from well known operas and operettas with tenor Hector Lopez and conductor Emil Siegbert Maxim.
In November 2009 she performs with the Philharmonic Oltenia in a Mozart Concert in Nattheim City, Germany and then she is invited as a guest singer for the charity concert organized by the Prison Fellowship Romania, a concert aimed to help the street children of Romania. In 2008 she debuts in The Man of La Mancha on the National Theater stage in Craiova and Bucharest for the Art Festival with the extraordinary participation of the actor Tudor Gheorghe. Also she debuts in the suite Peer Gynt with actor Florin Piersic and starts her collaboration with tenor Costel Busuioc in a grand Christmas Carols Concert tour of Romania.
In 2008 she participates at the 5th edition of the Jaume Aragall International Singing Competition in Spain where she is awarded third prize and as a finalist she receives a masterclass with Mr. Jaume Aragall. At the gala she has a magnificent performance at Camerata Sant Cugat where she thrills the audience with her interpretation that responded with a long standing ovation.
In 2007 she is a finalist of the Renata Tebaldi International Voice Competition, Republic of San Marino. In the same year to improve her vocal techniques she works with remarkable names in the opera music industry and takes master-classes with Teresa Berganza in Spain, Dalton Baldwin in Italy and Viorica Cortez in France. In 2006 she is awarded Jean Bobescu prize as an acknowledgement of her artistic achievements and along with her tenure as a leading soloist at the Elena Teodorini Lyric Theater, she starts her second career as an Assistant Professor, teaching music at the University of Craiova, Department of Music.
Throughout her career she worked with the following stage directors: Kersstin Jacobsen, Tamas Ferky, Arabela Tănase, Migry Avram Nicolau, Răzvan Dincă, Günter Mayr, Giuseppe Visciglia, and the following conductors: Alexandru Iosub, Florian-George Zamfir, Pier Giorgio Calabria, Misha Katz, Marius Hristescu, Ralf Schüssler, Sabin Pautza, Koichi Inoue, Emil Maxim, Florentin Mihăescu, Andrey Alexeev, Lucian Vlădescu, Leonard Dumitriu, Daniel Antoli, Nader Abassi, Gheorghe Stanciu, Massimo Testa, Constantin Petrovici, Octav Kalleya, Massimo Gualtieri.