WCB Wasafi stands as one of the most powerful and commercially successful record labels in East and Central Africa. Founded by Tanzanian Bongo Flava icon Diamond Platnumz, the Dar es Salaam-based label transformed regional music publishing, talent development, and digital streaming distribution across the continent.
Operating from its headquarters in Mbezi Beach, Wasafi built a dominant roster of Bongo Flava, Afro-pop, and Singeli hitmakers. Through strategic global partnerships, Wasafi's team consistently dominates regional charts and racks up hundreds of millions of digital streams. Here is the expanded, factual list of 14 artists, notable alumni, and key creative figures behind the label.
1. Diamond Platnumz (CEO & Founder)
Naseeb Abdul Juma Issack, known as Diamond Platnumz, is the founder, CEO, and flagship artist of WCB Wasafi. He was the first Africa-based artist to hit over 1 billion combined views on YouTube. Beyond music, he built a media empire including Wasafi TV, Wasafi FM, and Wasafi Bet while collaborating with global stars like Ne-Yo, Rick Ross, and Burna Boy.
- Role: Founder, CEO, and Lead Recording Artist
- Year Founded Label: 2015
- Key Hit Tracks: "Number One," "Waah!", "Yatapita," "Inama"
2. Zuchu
Zuhura Othman Soud, known as Zuchu, joined WCB Wasafi in April 2020. Hailing from Zanzibar and coming from a musical lineage as the daughter of Taarab legend Khadija Kopa, Zuchu became the first female East African artist to surpass 1 million YouTube subscribers within months of her debut.
- Role: Active Recording Artist
- Year Signed: 2020
- Key Hit Tracks: "Sukari," "Cheche," "Kwaru," "Litawachoma"
3. Mbosso
Mbwana Yusuph Kilungi, known as Mbosso, was officially unveiled as a Wasafi signee in 2018 following the breakup of Yamoto Band. Recognized for his soulful lyricism and traditional acoustic Bongo Flava sound, his debut album Definition of Love solidified his position as a core pillar of the label.
- Role: Active Recording Artist
- Year Signed: 2017 / 2018
- Key Hit Tracks: "Hodari," "Nadekezwa," "Tamu," "Maajabu"
4. Lava Lava
Abdul Juma Idd, known professionally as Lava Lava, joined WCB Wasafi in 2017. Recognized for his emotional vocal delivery and upbeat rhythms, he introduced himself with the breakout single "Tuachane" and maintains a massive streaming presence across East Africa.
- Role: Active Recording Artist
- Year Signed: 2017
- Key Hit Tracks: "Tuachane," "Gundu," "Bachela," "Saula"
5. D Voice
D Voice is the newest male signee to WCB Wasafi, unveiled in late 2023. Known as the "Swahili Kid," he introduced high-energy Singeli—a fast-paced street genre native to Dar es Salaam—to the mainstream Wasafi lineup with his 10-track debut album Swahili Kid.
- Role: Active Recording Artist
- Year Signed: 2023
- Key Hit Tracks: "Bam Bam," "Umenifunza," "Kijitu," "Nimezama"
6. Queen Darleen
Mwanahawa Abdul Juma, known as Queen Darleen, is a veteran musician and the half-sister of Diamond Platnumz. Holding the title of Wasafi’s very first female signee, her career dates back to the early 2000s working alongside early Bongo Flava pioneers.
- Role: Active Recording Artist
- Year Signed: 2016
- Key Hit Tracks: "Touch," "Kijuso," "Bachela," "Ntakufilisi"
7. Harmonize (Notable Alumnus)
Rajab Abdul Kahali, known as Harmonize or "Konde Boy," was the very first artist signed under WCB Wasafi in 2015. After releasing massive regional hits like "Kwangwaru," Harmonize officially departed the label in 2019 to launch his own successful record label, Konde Music Worldwide.
- Role: Former Signee (2015–2019)
- Current Enterprise: Founder of Konde Music Worldwide
- Key Wasafi Tracks: "Aiyola," "Kwangwaru," "Matatizo"
8. Rayvanny (Notable Alumnus)
Raymond Shaban Mwakyusa, known as Rayvanny, signed with WCB Wasafi in 2016 and became the first Tanzanian artist to win a BET Award (Viewer’s Choice Best International Act in 2017). Rayvanny departed Wasafi in 2022 to officially focus on his own imprint, Next Level Music.
- Role: Former Signee (2016–2022)
- Current Enterprise: Founder of Next Level Music
- Key Wasafi Tracks: "Tetema," "Kwetu," "Ntetas"
9. Rich Mavoko (Notable Alumnus)
Richard Martin, known as Rich Mavoko, was already an established Kenyan and Tanzanian hitmaker before joining WCB Wasafi in 2016. He released several chart-topping singles under the label before parting ways with Wasafi in 2018 to pursue an independent career.
- Role: Former Signee (2016–2018)
- Current Enterprise: Independent Recording Artist
- Key Wasafi Tracks: "Ibaki Story," "Kokoro," "Rudi"
10. RJ The DJ (Romy Jons)
Romeo Abdul Jones, professionally known as RJ The DJ, is the official resident DJ for Diamond Platnumz and the Vice President of WCB Wasafi. Beyond live performances, he functions as a core music curator, producing showcase projects that feature top vocalists across Africa.
- Role: Vice President, Official DJ, and Music Producer
- Key Contributions: Curator of the Changes album and international tour coordinator
11. Lizer Classic
Omary Ulego, known as Lizer Classic, is the head in-house audio producer for WCB Wasafi. Often called "Magic Fingers," Lizer is the primary sound architect who engineered, mixed, and mastered the vast majority of Wasafi’s biggest breakout hits.
- Role: Head Audio Producer
- Key Contributions: Signature production engineer behind "Kwangwaru," "Jikige," and "Sukari"
12. Sallam SK (Don Fumbwe)
Sallam Ahmed Sharaff, known as Sallam SK, serves as the co-manager of Diamond Platnumz and the primary international business strategist for WCB Wasafi. He was instrumental in negotiating major corporate partnerships and international artist collaborations across Europe, America, and West Africa.
- Role: Co-Manager & International Business Director
- Key Contributions: Negotiated distribution deals and international cross-over features
13. Babu Tale
Hamisi Taletale, known as Babu Tale, is an executive director and co-manager of WCB Wasafi. As a veteran music manager in Tanzania, he played an essential role in guiding talent development, brand positioning, and legal structures during the label's formative years.
- Role: Executive Director & Co-Manager
- Key Contributions: Veteran talent management and corporate brand expansion
14. Mkubwa Fella
Said Fella, popularly known as Mkubwa Fella, serves as an executive board member and talent scout for WCB Wasafi. Fella previously discovered and mentored young musicians across Dar es Salaam through his "Mkubwa na Wanawe" center, helping source the core talent that formed early Wasafi.
- Role: Executive Board Member & Talent Scout
- Key Contributions: Grassroots talent identification and artist mentorship
