American composer John Cage was born 100 years ago, in Los Angeles in 1912. To celebrate the 100-year anniversary of Cage's birth, Groundswell presents John Cage â 100 years, on Sunday, April 1 at the Centre culturel Franco-manitobain in Winnipeg. Composer and musician Jim Hiscott is co-curator, with Cheryl Pauls, of John Cage â 100 years.