By ASHLEY MOYO & ANESU MIRISAWU MUSIC STARS Ammara Brown, Diana Samkange, Patience Musa and Ras Pompy have become the latest artistes to lend their weight to theĀ fight against drug and substance abuse.Commonly used substances in Zimbabwe include glue, broncleer, mangemba, cane spirit, marijuana, codeine and methamphetamine (crystal meth).The popular music stars are part…

