Tanzanian Bongo Flava stars Harmonize and Rayvanny have reunited for “Siwezi,” a fresh collaboration featured on Harmonize’s highly anticipated “31” album, officially released on September 4, 2026.
The emotional track explores love, attachment and vulnerability, bringing together two artists whose musical chemistry has remained popular with East African music fans.
Harmonize and Rayvanny’s connection goes back to their WCB Wasafi days, when they appeared together on memorable records including “Paranawe.” After building successful careers independently, the pair have continued to cross paths musically, making “Siwezi” another highly anticipated reunion.
Produced and engineered by Wantedbway, the song delivers a smooth Bongo Flava sound while allowing both artists to showcase their distinctive styles.
The official “Siwezi” visualizer is already gaining attention from fans, adding to the excitement surrounding Harmonize’s new “31” album.
“Siwezi” is now available on major digital streaming platforms.
