Sound of Kurava or Ululation
The sound ululation is a long, wavering, high-pitched vocal sound resembling a howl with a trilling quality. Widely practiced in southern and eastern parts of India, Ululation is especially done by women rolling their tongues and produce this sound during all Hindu temple rituals, festivals and celebrations. Ululation is an integral part of most Hindu weddings as to welcome the groom or bride or both.
In Tamil it is known as kulavai; in Kerala, kurava; Bengalis and Oriyas call it ulu-uli. And Assamese call it uruli.