Soroush Vali Zadeh, professionally known as Hiphopologist, Dr Rapfa, is an Iranian Rapper, He is known for his TrapDoci / DrillDoci style and its influence on modern hip hop
He has very competitive policies in his music style and always tries to collaborate with all his colleagues in the new generation of music and work forward without stopping.
One of the successful music of Hiphopologist )Soroush Vali Zadeh(Azhir) in collaboration with Ashkan kagan
It was released in 2021. He Changed the Persian drill in iran and made that mainstream, and this music is successfully one of his most popular music that has its own audience.