Listen to Memorandum Of Understanding - Colourfly online. Memorandum Of Understanding - Colourfly is a Bengali language song and is sung by Mou Sultana. Memorandum Of Understanding - Colourfly, from the album Memorandum Of Understanding - Colourfly, was released in the year 2018. The duration of the song is 5:02. Download Bengali songs online from JioSaavn.