"O Prithibi Ebar Ese Bangladesh Ke Nao Chiney" (Bengali: ও পৃথিবী এবার এসে বাংলাদেশ নাও চিনে; English: O World It's Time Let Bangladesh Be Known), is a song composed by Ibrar Tipu and has been sung by Ibrar Tipu, Arnob, Mila, Balam, Kona and Elita Karim.
[3] It was released worldwide on February 17, 2011, at welcome ceremony of Cricket world cup 2011 held in Bangladesh.
The gala program started with a song that highlighted history, heritage, culture and traditions of Bangladesh to the world.
Zulfiqer Russell, who pens the lyrics, tried to highlight the Liberation War, Language Movement, Cricket Team, Sunderbans, Cox's Bazar, and various aspects of the world.
Composed by Ibrar Tipu, the song features music from classical to folk and danata, from Sanai to the traditional domestic tunes.