evidence: The duration of Jana Gana Mana, the Indian national anthem, when performed in the required metre, is 52 seconds and 20 seconds for a shorter version. [...] Rabindranath Tagore composed Jana Gana Mana on 11 December 1911, and it was performed for the first time on 27 December the same year, in Calcutta, at a Congress gathering. [...] Members of the Indian Delegation to the United Nations General Assembly in New York in 1947 performed a recording of Jana Gana Mana, which served as the nation’s anthem. The house orchestra played the song in front of a group of guests that included guests from all around the world.