Jin Yong's novel was a classic of Chinese classical martial arts novels. Many of the plots and characters were sung by later generations as classic old songs. 1. The theme song of " The Return of the Condor Heroes " was sung by the famous singer Faye Wong. The song was called " A Piece of Stupid." 2. The theme song of " Eight Demigods " was sung by the famous singer, Tan Yonglin. The song was called " The Root of Love." 3. The theme song of " The Laughing Proud Jianghu " was sung by the famous singer, Wakin Chou, and the song was called " Friends." 4. The theme song of "The Deer and the Cauldron" was sung by the famous singer Faye Wong. The song was called "Legend". 5. The theme song of "The Sword of the Blue Blood" was sung by the famous singer, Tan Yonglin, and it was called "The World of Love." 6. The theme song of " The Heaven Sword and Dragon Sabre " was sung by the famous singer Faye Wong. The song was called " Legend." 7. The theme song of " Journey of Chivalrous Men " was sung by the famous singer, Edward Chou. The song was called " Friends." 8. The theme song of " Mandarin Duck Knife " was sung by the famous singer, Joey Yung, and was called " The Winged Man ". These classic old songs had a very important position in Jin Yong's novels and were widely sung and appreciated.