In the beginning, Sir Gawain was given the green girdle by his lover, Lady Bertilak, as a token of their 'love.' She also told him the girdle would make him invincible. When he fought with her husband, Bertilak, he was supposed to win and give him the girdle, however, he failed in doing that. Therefore he continued wearing the girdle as a sign of his shame and failure. His fellow knights felt very compassionate and wanted to show their support for him by wearing a green girdle as well.
The chorus in Greek drama can be compared to a modern narrator. The chorus reveals important characters as well as settings and morals. They may mention something that will soon happen in the story in order to keep the audience entregued
They mostly sang about freedom and hope of being set free. Like singabahambayo thina which was a very popular song that many were familiar with.