Mubba (born Humphrey Mbaruku) is a jazz bassist, songwriter, and composer from Tanzania. Since his beginnings, both traditional jazz and African music have formed an important part of his life. He has been inspired by artists such as Richard Bona, Ettiene Mbape, Marcus Miller, Tatu Nane, Jimmy DluDlu, Jonathan Butler, and Hugh Masekela among other greats. Due to these varieties and legendary experience and exposure, his music connects with audiences from different cultures around Africa and other corners of the world as well.

He has performed at concerts and featured in collaborations and live recordings of other artists as a bass player, entertaining audiences with his special kind of fusion and jazz. Mubba has been a member of Witiri Jazz, Moon Jazz, a fusion jazz band that performed at notable events like Jazz Night, charity events, and Alliance Francaise - organized creative events in Arusha and Dar Es Salaam. Recently, he got a chance to perform at a TEDx event playing two of his original compositions.

Playing live music as a full-time occupation for Mubba has seen him appear at festivals around Tanzania like the Ongala Festival, Kan Festival, and Bagamoyo Festival while featuring in various recordings at numerous studios. He has played with artists and musicians from inside and outside Tanzania namely Paul Clement, Joel Lwaga, Ruby, Mozez Zamangwa, Isabella Novella, Bob Julie, King David, and many others.

He has taught music to orphanage students and a few local schools as a volunteer where he shared much-needed knowledge and experience with students and colleagues alike. In mid-2021 Mubba finished his second diploma in music at Tumaini University, Makumira where he also got a chance to be one of the judges in the UK Talent Train in Arusha. Now he is working as a music teacher at FEZA International School.