His mother, Elda, has worked in the Cailler chocolate factory after the family moved to Broc in 2000.

Two years later he acquired his stage name after moving his grandfather to tears when he performed Elvis Presley's "Can't Help Falling in Love".

In 2019, he auditioned for the eighth season of the French singing competition The Voice: la plus belle voix and reached the semi-finals with Team Mika.

[13] In 2021, he gave an interview for Vanity Teen magazine, talking about his success, the origin of his stage name and his result in the Eurovision Song Contest.

In November 2021, Gjon was announced as Best Swiss Act at the MTV Europe Music Awards in Budapest.

This music video includes 11 art-inspired scenes and a short appearance of Geraldine Chaplin.