Rajab Abdul Kahali is a Tanzanian musician,[1][2][3] songwriter and dancer who goes by the stage name Harmonize. He was born in Mtwara, Tanzania. He records for music label WCB Wasafi Record which is under Diamond Platnumzleadership. He is well known for his hit song “kwa ngwaru”, featuring Diamond Platnumz. He featured Rich Mavoko on his song “Show Me”.He was included in MTV Base’s “Ones to […]