Costary, a Swiss-based Kenyan artist, has established himself as one of Kenya's most exceptional musical exports. Having been born and raised in Kenya before later relocating to Switzerland, Costary has been exposed to a wide range of musical influences that have helped him develop a unique sound that blends various genres of music. His dancehall, sing-along rap, and feel-good sound have won over fans from all over the world, making him a sought-after independent solo artist.

Prior to embarking on his solo career, Costary was part of the MaddFamily Band, a duo he formed with Artist Gundaweche. As a group, MaddFamily released multiple projects and performed in over 400 shows at various festivals across Europe, sharing stages with iconic artists such as Jay Z, Shaggy, Stephen Marley, Cecil, Wu-Tang Clan, and Ice Cube, among others.

Costary's impressive discography features numerous hits, including "Milele," "Niwewe," "No Time," and "Propella," among others. He has collaborated with a variety of producers and artists such as Magixx, Ian Storm, Patrick Miller, PHE, Shamir Tadeiya, and Jegede, with plans to work with more in the future. His music has received airplay in multiple European countries, including Germany, France, Austria, and Italy, demonstrating that his talent is tailored for the global market.