Complex sentence: Chamdin has been one of the front figures in the Swedish hip hop group Infinite Mass since their formation in 1991; but nowadays, he is more focused on his work as a director and has directed feature films, commercials and music videos.
Split into simpler sentences: Chamdin has been one of the front figures in the Swedish hip hop group Infinite Mass since their formation in 1991. Since then, he has focused more on work as a director of feature films, commercials and music videos.