The group's name is a portmanteau of quartet and the Italian suffix -issimo, which means extremely (e.g., fortissimo, prestissimo).
During his studies, he regularly attended various summer schools and seminars with numerous distinguished professors.
Bogataj has studied in master classes with famous names from throughout the world of classical music.
He achieved his latest success at the First World Violin Competition for Young Violinists in Honour of Stefan Milenkovich, where he was the runner-up.
At the conclusion of the event, Bogataj was invited for a second consecutive master class with the Vienna Philharmonic, which takes place every summer in Trenta, Slovenia.
After finishing the course, Bogataj was chosen as one of the soloists who showcased his musical abilities at the famous Musikverein in Vienna.
For three years, Dukarić was a member of the Young Musicians International Symphony Orchestra and performed in many European countries.
After graduating, he successfully passed his entrance examination to the Academy of Music of the University of Ljubljana.