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021 was one of the very first Tehran-based Persian rap bands, which has taken its name from the area code of Tehran, and was founded by Soroush Lashkary, better known by his stage name Hichkas. He uses elements of Persian traditional music combined with hip hop and has a unique theistic and nationalistic lyrical style, avoiding vulgar words while referring to social issues. His first Album, 'Asphalt Jungle' (Persian: Jangale Āsfālt), was one of the first Persian rap albums in Iran and brought much recognition to his name in Iranian communities.
Other notable performers include Zedbazi Band, Erfan, Saloome, and YAS.