Complex sentence: They released their criticaly acclaimed first album "Do you know?" in June 2004 and debuted at number one on the Japanese Oricon charts, a rare accomplishment for hip-hop groups in Japan.
Split into simpler sentences: They released their criticaly acclaimed first album "Do you know?" in June 2004 and debuted at number one on the Japanese Oricon charts. A rare accomplishment for hip-hop groups in Japan.