Jamal began his singing career in 1973. He won Radio Televisyen Malaysia's Bintang RTM competition in 1979. Following his victory, he continued to sing but also appeared in films such as 'Azura'.
Jamal is the eldest of seven siblings. Having married three times, Jamal has two sons, Osama Yamani and Ahmad Zaki Yamani.
He is of Banjar descent.