Łukasz Federkiewicz, known professionally as Kortez, was born on 24 June 1989 in Krosno, Poland. After being discovered during auditions for Must Be the Music in 2013, he signed with Jazzboy Records and made his recording debut with the Jazzboy Session EP in 2015, featuring the breakthrough song “Zostań.” Later that year, he released his debut album, Bumerang. He followed it with the EP Minialbum in 2016, his second studio album Mój dom in 2017, and Mini dom in 2018. After several live releases and collaborations, Kortez returned with his third major studio album, Naucz mnie tańczyć, released on 10 November 2023. A live version of his debut, Bumerang (Live 2025), followed in 2025. He released the single “Mam nadzieję” on 29 May 2026.