Mather attended the Aspen Music Festival and School in the summers of 1957 and 1958 through a scholarship provided by the Women's Musical Club of Toronto and the Beta Sigma Phi International Sorority.
Bruce Springsteen | Bruce Lee | Bruce Willis | Bruce Dickinson | Bruce Cockburn | Bruce Campbell | Lenny Bruce | Bruce Sterling | Bruce Forsyth | Robert the Bruce | Bruce Beresford | Bruce | Bruce Weber | Bruce Weber (photographer) | James Bruce | Ogilvy & Mather | Jack Bruce | Bruce Broughton | Bruce Brown | Cotton Mather | Bruce Nesmith | Bruce Li | Bruce Greenwood | Bruce Kent | Bruce Babbitt | Nigel Bruce | Bruce Grobbelaar | Bruce Dern | Bruce Chatwin | Bruce Baum |
During the 1970s, Beecroft was busy working as a freelance radio producer, notably creating numerous documentaries for CBC Radio on Canadian composers like Jean Coulthard, Harry Freedman, Bruce Mather, Barbara Pentland, Harry Somers, Gilles Tremblay, and John Weinzweig among others.