When Idols SA hopeful Vhudi Mamphwe wrote his song My Yoki Yoki to serenade his crush last year he never dreamed that it will become a viral hit.

The 20-year-old aspirant musician from Limpopo melted the hearts of South Africans when he auditioned for regular judges Somizi Mhlongo, Unathi Nkayi and Randall Abrahams last night with his original song...