1. During 1976, Queen played one of their most famous gigs, a free concert in Hyde Park, London.

2. 1981 - Paul Simon and Art Garfunkel reunite for a free concert in New York City's Central Park.

3. The events at Altamont Free Concert shocked many Americans, including those who had strongly identified with hippie culture.

4. On 15 September, she made an appearance at the free concert of world-famous tenor, Andrea Bocelli, in Central Park in New York.

5. Elton John performed the song regularly on his world tour in 1980, including at his free concert in Central Park, a few blocks away from Lennon's apartment in The Dakota.