During the Liberation War of Bangladsh in 1971, a cultural troupe, named 'Bangladesh Mukti Shangrami Shilpi Shangstha' ('Association of Liberation Fighters (Artists) of Bagladesh') used to travel to refugee camps and different places in liberated areas (also known as 'Mukta Anchal'). They performed patriotic songs, arranged puppet shows and staged dramas to inspire the freedom fighters and lift the spirit of war affected people. Muktir Gaan (1995), 25 years in the making, Tareque Masud and Catherine Masud used original footage shot by American film-maker Lear Levin, as well as other archival footage collected from United Kingdom and India.