Complex sentence: He portrayed the colourful detective character "No.1 on Di"- "Gui Hai Yi Dao" (归海一刀) and sang the theme song "Your No.1".
Split into simpler sentences: He portrayed the colourful detective character "No.1 on Di"- "Gui Hai Yi Dao" (归海一刀). He also sang the theme song of the drama "Your No.1".