[1][2] His stage name is based on the main character from Japanese series Future Boy Conan and the ancient Egyptian god Osiris.

[4] On 2 March 2019, Osíris won the Festival da Canção, securing the right to represent Portugal in the Eurovision Song Contest 2019 in Tel Aviv, Israel.

He is a self-taught singer-songwriter and learnt his craft by trial and error while using the program FL Studio (Fruity Loops) on his computer.

[6] He started his musical career in 2008 when he created the group Powny Lamb with Rita Moreira (also known professionally as Sreya).

He wrote "Telemóveis" and decided to perform himself, On the 2nd of March, and after finishing second on the semi-final, Osíris won the show and represented Portugal in the Eurovision Song Contest 2019.