Kortez is the pseudonym of Łukasz Federkiewicz, a singer, guitarist and composer from Krosno. Known for his emotional songs and versatile output, his music, combining folk, blues, rock and pop, along with his social and charitable activities, has brought him recognition from both fans and critics.

Kortez debuted in 2015 with the album 'Bumerang' and quickly became a major success, winning many awards and accolades, including a Fryderyk nomination for album of the year. The album included hits such as 'Nie ma cwaniaka nad warszawiaka', 'Dobranocka' and 'Bumerang'. Subsequently, Federkiewicz released albums such as 'My house', 'Mini dom' and the live album 'Sold Out 2019/2020'.

Kortez is known for his moving lyrics and intimate performance style. His music is inspired by various genres, including folk, blues, rock and pop. Lukasz Federkiewicz is also known for his charity and social work, getting involved in various actions and projects, including educational projects for children from poor families and the fight against domestic violence.