Mbwana Yusuph Kilungi (born October 3, 1995, in Dar es Salaam), professionally known as Mbosso or Mbosso Khan, is a Tanzanian singer-songwriter and instrumentalist renowned for his soulful voice and emotive storytelling. He first gained prominence as a member of the award-winning Yamoto Band (2012–2017), which topped charts and shaped the contemporary Bongo Flava sound.

In 2017, Mbosso launched his solo career under WCB Wasafi, debuting with the widely acclaimed single “Watakubali.” He went on to release several regional and pan-African hits, including “Hodari,” which amassed over 20 million views on YouTube, further solidifying his presence across East Africa and the Middle East.

Now operating as an independent artist, Mbosso leads his own Company, Khan Music, where he oversees both his artistic direction and entrepreneurial ventures, continuing to influence and shape the music landscape with authenticity and innovation.