 He is considered the pioneer of a new style of Sudanese singing because he used a style of poetry labelled by many critics as sophisticated and complicated, and one categorized as "political singing".At the start of Mustafa's career, he collaborated with many traditional singers, writers and poets, but disagreements arose with some of the poets he had been collaborating with.For example, he had a disagreement with one of the poets who wrote the song "Shagga Alayaam" (English