Complex sentence: Another reason for Zedbazi's fame was that back in 2002 when Saman Wilson made a cover of Eminem's "Without Me" song, there were no well known rappers in Iran, and if there were, they did not used profanity in their songs.
Split into simpler sentences: Another reason for Zedbazi's fame was back in 2002, when Saman Wilson made a cover of Eminem's "Without Me" song. There were no well known rappers in Iran, and the few that were did not use profanity in their songs.