Composer, musicologist, instrumentalist, and improviser. He studied composition and accordion at the Feliks Nowowiejski Academy of Music in Bydgoszcz. In 2023 he obtained his doctorate under the supervision of Remigiusz Pośpiech at the Institute of Musicology (University of Wrocław) on the basis of a thesis on memory and its traces in late medieval musical and theoretical sources from Central Europe. Apart from the accordion, he also plays medieval keyboard instruments such as the portative organ and the clavicymbalum. Lubieniecki is a cofounder of the Layers contemporary music trio and Vox Imaginaria medieval music ensemble. He is also active in the Wrocław scene as an improviserin groups such as Lubieniecki/Rupniewski, Disquiet, and Widzicie.