Mazbou Q

aka The Rap Scientist, Unchained XL, Hugh Ozumba


Mazbou Q draws from many styles of music. Under his former moniker, Unchained XL, he made Afrobeat-inspired hip hop, which is still central to his sound, but Mazbou Q’s music now extends all the way from sparse, synth-driven beats through to the funky tracks performed live, and modern hip hop sounds of drill and trap. Mazbou has also turned his knowledge of rapping into an incredibly popular social media channel.

The man behind the raps is Hugh Ozumba, who started his career in metalcore band East of Eden. The band inadvertently started when he and his teen friend Spencer Jones got together to record a few demos with no aim in mind. They put a song online and were surprised when people offered to join their band.

Mazbou Q in 2021
Photo credit: Promo shot by Wolfpack Creative
Kevin Posey X Mazbou Q - Your Shine (official video) ft. Kirsten (2020)
Mazbou Q with band in 2024. R-L: Mols-Esme, Fae, Isaac Griffiths, April Haines, Niran.
Unchained XL aka Mazbou Q, 2019
Photo credit: Wolfpack Creative
Mazbou Q at Berklee College of Music, 2024.
Mazbou Q - Beat Up, Bullied and Dunked On live at Ponsonby Social Club, Auckland (2024)
Mazbou Q talking at an event
Mazbou Q live at Cross Street festival, Auckland, NZ, 2023.
Photo credit: Gal Hochman
Unchained XL performing 'Weight On My Bars, Pt. III' live on RNZ (2018)
The Science of AESOP ROCK: Galloping Rap Flow?! (2024)
Mazbou Q playing bass
Mazbou Q - 'Don’t Stop Regardless' | RNZ Music Live Session (2021)
Mazbou Q writing rhymes
Unchained XL aka Mazbou Q in 2019
Photo credit: Emily Raffils on point n' shoot
Unchained XL performs 'Figures' live at the Ellen Melville Centre for 95bFM's Drive Island VIII (2019)
Mazbou Q 'The Science of Rap' Presentation at Berklee College of Music, Boston (2023)
Unchained XL live at Music In Parks, Auckland, NZ
Mazbou Q live at Cross Street festival, Auckland, NZ, 2023.
Photo credit: Gal Hochman
Mazbou Q at Borough of Manhattan Community College (BMCC), NYC, 2024. 
Mazbou Q at BLM protest
Photo credit: Pale Swanney
Mazbou Q with Kevin Posey
Unchained XL
Photo credit: Emily Raffils on point n' shoot
Unchained XL live with Ankara Shirt
Mazbou Q - Go and Be Free official music video (2022)
Mazbou Q - Weight On My Bars, Pt. 6 LIVE @ Berklee College, Boston (2023)
Unchained XL (from left): keyboardist Isaac, Hugh Ozumba, and drummer Niran
Unchained XL in 2018
Photo credit: Emily Raffils (point and shoot)
Mazbou Q at Live Womad, 2023.
Mazbou Q - CRYPTOGRAPHY official music video (2025)
Unchained XL/ Mazbou Q interview discussing hip hop, Nigeria, powerlifting, MMA, colonialism etc (2019)
Third Culture Minds: Black New Zealanders on how hip hop finally gave them a place to belong. Featuring Mazbou Q, JessB and Mo Muse (2020)
Unchained XL - Walk Out music video (2016)
Mazbou Q - 'The Get Up' | RNZ Music Live Session (2021)
Mazbou Q live in 2024.
Unchained XL in 2019
Photo credit: Geoff Ong
Mazbou Q at Hip Hop Congress Conference, 2024.
Unchained XL live with Phodiso
Hugh Okechukwu Ozumba aka Mazbou Q in 2015
Unchained XL - What You Said music video (2018)
Mazbou Q as time traveler for 'Don't Stop Regardless' release
Mazbou Q
Photo credit: Publicity headshot by Raphael Recht
Mazbou Q at NYU, 2024.
Mazbou Q - Now I'm Whole official music video (2023)
Mazbou Q - G.O.A.T Problems (Official Music Video) ft. RAIZA BIZA (2021)
Mazbou Q
Photo credit: Publicity shot by Raphael Recht
Mazbou Q - CLRS (Official Music Video) ft. King Green (2023)
Mazbou Q at Gotham Professional Arts Academy, Brooklyn, NYC, 2024.
Mazbou Q - POLYMERS official music video (2025)
The Science of RAKIM: Swinging Flow?? (2024)
Unchained XL - But Do They Know feat. JessB & Nuel Nonso music video (2018)
Mazbou Q, high school mentoring

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