Dei Hamo went to Aorere College, Papatoetoe in the late 1980s where he was first exposed to the hip hop genre. While in middle school, when his dad bought him his first stereo. Hamo would spend his days and nights perfecting his craft, later claiming to have written a song a day.
Having a passion for film and directing, in 2010 Dei Hamo was asked by a close friend Amy Raumati (also known as Lady Sheeq) to direct a music video for her. Dei Hamo agreed and has now been steadily directing music videos for two years. Dei Hamo also chose to direct the music videos under his real name, Sani Sagala, as he aims to write and direct movies in the near future.
In 2004, Dei Hamo's debut single We Gon' Ride spent five continuous weeks at number one on New Zealand's music chart, and three months in the top 10. The track went platinum. It also reached the top 40 in Australia. Later singles have included This Is My Life and Cry again, the latter containing lyrics from Split Enz's song I Hope I Never performed by Tim Finn.