Born in 1983 in Istog (Kosovo), he made his debut in 2010 in Eutin as Alfredo in La Traviata and won two prestigious international competitions: the “Riccardo Zandonai” competition in Riva del Garda (Italy) and the “Ritorna Vincitore” competition in Naples (Italy), where he also got the special award as the best singer for Neapolitan songs.
In 2016 Rame Lahaj won 3rd prize in Placido Domingo's Operalia competition.
In 2016/17 he will perform the title role of Faust in Tel Aviv (Role and house debut), Duca/RIgoletto at Savonlinna Opera Festival, Finnish National Opera in Helsinki and Teatro Municipale di Salerno with Daniel Oren, Edgardo/Lucia di Lammermoor in Nancy. This season also marks his house debut as Edgardo/Lucia di Lammermoor at Paris National Opera, where he will also sing Alfredo/La Traviata with Placid Domingo and Marina Rebeka and L’ Elisir d’ amore in 2018. Other future engagements until 2020 include Concert with Orquestra Filarmonica de Jalisco (Guadalajara), Concert Tour in South Corea with Angela Gheorghiu, Duca/Rigoletto at Opéra de Montreal in Canada and his house debut as Pinkerton/Madama Butterfly at Gran Teatre del Liceu Barcelona, several Galà Concerts, Alftedo/La Traviata at Bolshoi Theatre with conductor Tugan Sokhiev, Rodolfo/La Bohème, also at Bolshoi Theatre, Duca di Mantova/Rigoletto at Malmö Operan, steged by Kasper Holten, Nemorino/L'elisir d'Amore at Teatro Real Madrid.
In 2014/15 and 2015-16 he performed Duca di Mantova/Rigoletto at Haus für Mozart in Salzburg, Duca di Mantova/Rigoletto and Alfredo/La Traviata at Polish National Opera in Warsaw, Alfredo/La Traviata at Opera Australia in Sydney, Rodolfo/La Bohème at Teatro Verdi in Trieste, Pinkerton/Madama Butterfly at Puccini Festival Torre del Lago, at Opera Las Palmas and in Bergen (Production of Damiano Michieletto), Edgardo/Lucia di Lamermoor in Limoges. He also inaugurated the new 'Amber' Concert Hall in Latvia together w. soprano Marina Rebeka.
In 2014 he made his house debuts as Duca di Mantova/Rigoletto at La Monnaie de Bruxelles, as Alfredo/La Traviata at the Hamburg State Opera and as Duca di Mantova/Rigoletto at Deutsche Oper Berlin.
In season 2013/2014 Lahaj was also at Semperoper Dresden as Duca di Mantova/Rigoletto, Alfredo/La Traviata and Rodolfo/La Bohème. Moreover, he performed Rodolfo/La Bohème at Royal Albert Hall in London.
In 2012 he performed Rodolfo/La Bohème in France at National Opéra de Montpellier. His Italian debut turned out to be a great success with the performance of Rigoletto in the role of Duca di Mantova at Teatro Massimo di Palermo.
A first major success was his debut at the Hungarian State Opera in Budapest in 2011 with the role of Macduff/Macbeth.
During his relatively short but successful career as an operatic singer he has already worked (and will work) with important conductors like Evelino Pidò, Carlo Rizzi, Pier Giorgio Morandi, Gustav Kuhn, Renato Palumbo and stage directors like Robert Carsen, Guy Joosten, Homoki, Lehnhoff, Trelinski, Deflo, Dornhelm and Henning Brockhaus, etc.