Musiimenta Clever, known professionally as Mac Jah aka Inviolable boss, is a Ugandan reggae and dancehall recording artist, singer and songwriter from the parish of Kiyoora in the western Uganda. He was involved in his church choir and several local talent shows from a young age. 

In 2017 he started singing professionally releasing his first song a collabo titled 'On fire' . In 2019 he has released a hit single titled Work Waali.