Guderian began his musical career as a street musician, subsequently forming a band.[4][5][6] In 2011, he took part in the TV talent show X Factor with a version of the Oasis hit "Wonderwall".[7]
At 18, Guderian founded his own company for organising local and alternative musical events. In 2020, during the COVID-19 pandemic, he started composing music, and in 2021 he won Show Your Talent, marking his breakthrough.[5][6] Guderian took part in the German national final for the Eurovision Song Contest 2024 with the song "Always on the Run", ultimately winning the right to represent the country at the contest.[6][8]
^ abSchwemling, Patrick (17 February 2024). "Alles begann als Straßenmusiker" [Everything began as a street musician]. Mindener Tageblatt (in German). Archived from the original on 17 February 2024. Retrieved 17 February 2024.