Femi Samuel Adedipe (born 25 July ), known professionally as 'Koller', is a Nigerian Afro-Pop/Highlife recording artist. The multi-talented act in 2019 released his Debut Single titled 'Amin' which was produced by the award-winning 'Phantom Beatz'. 'Femi-Prince'as he is also called signed a deal in 2019 to become a brand ambassador for the popular beer brand, Trophy Lager and his latest Single 'Ogo To n Shana' currently enjoys massive airplay across continents.