The (or Therippattu ) are traditional folk songs sung during the Bharani festival at the Kodungallur Bhagavathy Temple in Kerala. These songs are famous for their ritualistic use of explicit language and innuendos as a form of devotion to the Goddess Kali.
: A ritual involving the offering of roosters, traditionally involving sacrifice to appease the Goddess and her retinue. kodungallur bharani pattu pdf 21
If you can specify what you meant by "21" (e.g., a specific set of songs, a PDF document, or a specific year's performance), I can provide more detailed information. The (or Therippattu ) are traditional folk songs