Bartosz Kieszkowski began studying music at the age of 5, when he started private piano lessons. Three years later he joined Stanisław Przybyszewski's trumpet class at the Oskar Kolberg Primary Music School in Warsaw, followed by Wiesław Woźnicki's trumpet class at the Karol Szymanowski Secondary Music School in Warsaw. In 2017 he enrolled in the Fryderyk Chopin Academy of Music in Warsaw, where he studied singing with Professor Mikołaj Moroz.
Mr Kieszkowski is a member of Jazz Combo Volta and Big Band Błonie, performing as trumpeter across Poland and in Europe (Sweden, Finland, Austria, Germany, Hungary, and the Netherlands).
From 2015 to 2018 he was a member of the Warsaw University of Technology Academic Choir, winning the Grand Prix and two special prizes at the 7th Feliks Nowowiejski International Festival of Choral Music in Barczewo (2018) and the Stefan Stuligrosz Polish Choir Singing Grand Prix in Poznań (2018).
He tours Poland's largest concert halls with the projects Muzyka Zespołu Queen Symfonicznie [Queen: A Symphonic Edition] and Muzyka The Beatles Symfonicznie [The Beatles: A Symphonic Edition], including the Warsaw Philharmonic Hall and the Baltic Philharmonic Hall in Gdańsk.
He won Third Prize at the Silver Bells International Sacred Music Festival in Daugavpils (2019) and First Prize at the Stoyan Popov Competition for Young Opera Singers in Burgas ( 2023). In 2021 he recorded bass parts for Paweł Pudło's album Elements.
He made his opera debut in April 2022 at the Polish National Opera, singing Simone in a student production of Puccini's Gianni Schicchi. From July to September 2022 he performed in nine performances of Shaffer's play Amadeus at the Dramatyczny Theatre in Warsaw, singing Sarastro's aria 'O Isis und Osiris' from Mozart's The Magic Flute. In March 2023 he was Sarastro in a student production of the Mozart opera, while in September 2023 he sang the role of Sprecher in a professional staging of the work at the Nieborów Palace. In November 2023 he returned to the Polish National Opera as Simone in Puccini's Gianni Schicchi.
