Seif Mwinyijuma Haji is a multi-award winning artist from Dar es Salaam Tanzania. Commonly known as Sholo Mwamba to many, he is famous for his unique music Singeli, which is a very popular genre of music in Tanzania. Being one of the few artists that made Singeli music a big hit, his popularity not only goes far beyond Tandale, his birth place but has also granted him great fan base throughout Tanzania and all of Africa.