The Strawberry Fields Festival was a rock music

Rock music

Rock music is a genre of popular music that developed during and after the 1960s, particularly in the United Kingdom and the United States. It has its roots in 1940s and 1950s rock and roll, itself heavily influenced by rhythm and blues and country music...

 festival held at Mosport Park Raceway in Bowmanville, Ontario

Bowmanville, Ontario

Bowmanville is the largest community in the Municipality of Clarington in Durham Region, Ontario, Canada. It is located in Southern Ontario about 75 km east of Toronto and 15 km east of Oshawa along Highway 2...

, Canada, about 100 kilometers east of Toronto, between August 7 and the early morning hours of August 10, 1970. Although accounts vary, the audience has been estimated at between 75,000 and 100,000 people. A three day ticket for the festival sold for $15.00.
John Brower along with John Lennon

John Lennon

John Winston Lennon, MBE was an English musician and singer-songwriter who rose to worldwide fame as one of the founding members of The Beatles, one of the most commercially successful and critically acclaimed acts in the history of popular music...

 and Yoko Ono

Yoko Ono

is a Japanese artist, musician, author and peace activist, known for her work in avant-garde art, music and filmmaking as well as her marriage to John Lennon...

 had originally planned to host the "Toronto Peace Festival" at Mosport Park in July 1970 but they ran into numerous roadblocks and their plans were dashed when their application for the necessary permits were denied.