Lizer Classic, a Tanzanian producer behind Harmonize's hit song 'Kwangwaru' says he can longer work with the musician.

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In an interview with Global TV on Sunday, Lizer said it is not possible for him to work with Harmonize again for the sake of peace at Diamond Platnumz's Wasafi Classic Baby (WCB) Records.

"I cannot work with Harmonize again. I am WCB's producer and I cannot work with anyone who was at WCB and then left (Mimi siwezi fanya tena Kazi naye, mimi ni producer wa WCB, hivyo mtu ambaye hayuko WCB na alikuwepo siezi fanya naye kazi)," he contended.

He maintained that for humanity's sake, it is not right to work with Harmonize who ditched WCB to form his own label, Konde Worldwide Records.

"Not that I am banned from working with him, but in humanity , if you work with him, you don't look too good (Sikatazwi kufanya naye lakini kiubinadamu ukifanya naye kazi huwezi kuonekana vizuri)," said Lizer.

Lizer is Diamond Platnumz's and WCB's official producer. He has also been working with other artistes, mostly upcoming ones, who are not members of WCB.

However, he says that he remains in good terms with Harmonize.