Thousands of people gathered to form a giant peace symbol on the East Meadow of New York's Central Park, October 6, 2015.

Yoko Ono shows the peace sign as she sings to thousands of people gathered to form a giant peace symbol on the East Meadow of New York's Central Park, October 6, 2015.

People celebrated the 75th anniversary of John Lennon's birth as they attempted, but failed to break the Guinness World Record for the largest human peace sign.

A man dances as people gather to form a giant peace symbol on the East Meadow of New York's Central Park, October 6, 2015.

People show the peace sign as they gather to form a giant peace symbol on the East Meadow of New York's Central Park, October 6, 2015.

More than 2,000 people gather to form a giant peace symbol on the East Meadow of New York's Central Park, October 6, 2015.

People show the peace sign and wear wristbands saying #ImaginePeace as they gather to form a giant peace symbol on the East Meadow of New York's Central Park October 6, 2015.

People standing in the shape of a giant peace symbol wait to have an aerial photo taken on the East Meadow of New York's Central Park, October 6, 2015.

Dave Davies of The Kinks performs for the crowd in New York's Central Park, October 6, 2015.

People stand to form the shape of a giant peace symbol on the East Meadow of New York's Central Park, October 6, 2015.

Yoko Ono poses with volunteers and organizers for the Guinness World Record attempt for the largest human peace sign to celebrate the 75th anniversary of John Lennon's birth.

Lennon would have turned 75 on August 9.

A woman makes the shape of a heart with her hands as helps form a giant peace symbol on the East Meadow of New York's Central Park October 6, 2015.

People show the peace sign as they gather to form a giant peace symbol on the East Meadow of New York's Central Park, October 6, 2015.

People show the peace sign as they gather to form a giant peace symbol on the East Meadow of New York's Central Park, October 6, 2015.

Olive the "Peace Dog" sits in a bicycle basket as people gather to form a giant peace symbol on the East Meadow of New York's Central Park, October 6, 2015.

A woman wears a collection of John Lennon pins on East Meadow of New York's Central Park, October 6, 2015.