Zefanio, born on June 21, 1991, has been involved with music from an early age. At a young age he listens to music a lot and tries to imitate his great idols by singing along and raping with the lyrics. A few years ago he immersed himself in music and began to use his talents in music to write songs and compose beats himself. Zefanio initially focuses on raping in English, but after a short while he decides to go for Dutch songs. In the years 2011 to 2014, Zefanio works closely with the Zonamo Underground label. This collaboration first led to a Zonamo Underground Session together with Dwayne Meerzorg in 2011. In 2014, the track "Freak" with rappers: Mellamell and Brace. This will be the first official track on YouTube where Zefanio can be heard. In 2015, Zefanio signs a management deal with Event-us and gets a contract with record label Avalon where he will release an EP in the short term.