Luka Brajnik graduated in economics from the University of Ljubljana, Slovenia. He began his musical studies with his grandfather, the renowned tenor Miroslav Brajnik, and later with the tenor Alexander Brown. Subsequently, he studied with Renata Scotto and with Walter Alberti Scatarzi. From 2009-2012 he attended the Opera Studio of the Academy of Santa Cecilia in Rome where he deepened the study of the Italian repertoire. Finalist and winner of various national and international competitions, he made his debut in 2010 at the Reate Festival of Rieti as Count Almaviva in Mozart’s Le Nozze di under the direction of Kent Nagano. In 2013 he received a Richard Wagner scholarship from the “International Association R. Wagner Bayreuther Festspiele”.

In 2013 he gave a recital at “The 200th anniversary of Verdi and Wagner” in the Teatro La Fenice in Venice and also represented La Fenice Theatre in a recital in New York later that same year. In 2014 he was engaged aby the Teatro Carlo Felice in Genoa to perform the role of the Count in Mozart’s Le Nozze di Figaro.
In 2015 in Padua he was the guest of honour at the concert to commemorate the centenary of the birth of the great tenor Mario Del Monaco. In 2016 he gave a concert of opera arias at the 21st Sarajevo (Bosnia) Summer Festival. In 2017 he made his first appearance to a home audience as Giorgio Germont in La Traviata at the opening of the Lent Festival in Maribor. In December of 2017 he sang at the Gala Manager concert in Ljubljana’s biggest theatre, the Cankarjev Dom with RTV Slovenia Symphony Orchestra under the baton of Maestro George Pehlivanian and subsequently in April of 2018 he was invited to Paris to sing another three concerts with Maestro Pehlivanian.

Later on in Maribor National theatre he sang the role of count Rodolfo in Hugo De Ana’s production of Bellini’s La Sonnambula and received exceptional critical reviews. In August 2018 he was invited by Maestro Pehlivanian to sing in Beethoven’s 9th Symphony in Malaga, Spain. In January 2019 he sang the title role in Verdi’s opera Nabucco in Maribor’s National Theatre under the baton of Stefano Romani and in April 2019, the roles of Fléville and Roucher in Sara Schinasi’s production of Andrea Chenier under the baton of Loris Voltolini.