Gabriel Soprinye Halliday (born 11 April 1988), known to most people by his stage name Slim Burna ( ), is a Nigerian musician, singer, rapper and record producer. Halliday was born in Essex, and grew up in the capital city of Rivers State in Nigeria, Port Harcourt. He entered the music industry as a record producer for Grafton Records before founding Street Rhymes in 2008. He first gained recognition after releasing his own version of "Oyoyo" (originally by J Martins) in 2009. The song became an instant hit and was featured in several mix tapes put together by the Nigerian DJs Coalition. His first official full-length project I'm on Fire was released on his 25th birthday in April 2013, to positive critical reception and became arguably the most successful mixtape ever released from a Port Harcourt artist. The 15-track musical offering racked up thousands of downloads on multiple music sites and reached Number 3 on Music of Africa Top 10 Mixtapes.