Original sentence: While he is not yet well known for his rap talents, he is known for his performance in the 2004 video game Grand Theft Auto: San Andreas.Young Maylay, real name 'Chris Bellard', is an up-and-coming West Coast rapper
Edited sentence: Young Maylay, real name 'Chris Bellard', is an up-and-coming West Coast rapper, whilst he is not yet well known for his powerful rap voice, he is known for his excellent performance in the 2004 video game Grand Theft Auto: San Andreas