The Concert for Bangladesh

The Concert for Bangladesh (or Bangla Desh, as the country's name was originally spelled) was a pair of benefit concerts organised by former Beatles guitarist George Harrison and the Indian sitar player Ravi Shankar. The shows were held at 2:30 and 8:00 pm on Sunday, 1 August 1971, at Madison Square Garden in New York City, to raise international awareness of, and fund relief for refugees from East Pakistan, following the Bangladesh Liberation War-related genocide and the 1970 Bhola cyclone.

Source: Wikipedia — The Concert for Bangladesh (CC BY-SA 4.0)