He has written and produced earworms for celebrated artistes, including Kampala Boys, Winnie Nwagi, and Rema Namakula.
In a recent media interview, Nessim, real name Isma Mukkuza, revealed that he wrote and produced Everything by Winnie Nwagi. The song, which was released in 2020, has since racked up 1.2 million views on YouTube, and its video was directed by Marvin Musoke.
Nessim has also produced other songs by Nwagi, including Sumn' U Neva Had by the duo Slick Stuart and DJ Roja, who featured her on the ballad, and Mukisenge, her duet with Crysto Panda. The lovely song was written by Dokta Brian of the Hatim & Dockey duo and Ray Signature. It has fetched 2 million views on YouTube in just two months, which is really admirable by Ugandan standards.
Mundawo, the second most viewed song on the YouTube channel of B2C, alias Kampala Boys, was also written and produced by Nessim. The song, which was released in 2020, with a video directed by Aaronaire, has 7.2 million views.
Nessim has recorded the vast majority of B2C's music catalog.
Mukuza also penned the lyrics of Believe, the duet that brought together Dax Vibez, real name Ivan Bugembe Sentamu, and Vinka, real naneVeronica Nakiyingi Lugya
Do Me, the most viewed song on the YouTube channel of Kataleya and Kandle, was also produced and written by Nessim. The song's video, which has collected 1.6 million views since its release in 2021, was filmed by Aaronaire. When Juliana Kanyomozi came out of her eight-year break from releasing songs, she paid Nessim to write and produce for her Omwana.