File contains a program for a centennial concert celebration at McGill University, featuring the McGill Symphony Orchestra and John McKay on piano. Ellen Ballon is cited in the introduction as one of McGill's notable graduates.
File also includes a clipping about Ellen Ballon's agent, Andrew Schulhof, and a ticket for a performance at Plateau Hall in Montreal featuring Ellen Ballon performing Heitor Villa-Lobos' first piano concerto with the CBC Symphony Orchestra.
File contains a photograph of Douglas Clarke (Dean of the Faculty of Music at McGill University from 1930 to 1955), Ellen Ballon, Frank Cyril James (Principal and Vice Chancellor of McGill University from 1939 until 1962), and an unknown man, standing in front of three microphones for radio stations: CKVL, CFCF, and CKAC. The photograph may have been taken at one of the concerts celebrating the 50th anniversary of the McGill Conservatorium.
File contains a framed reproduction of the front cover of The McGill News (Winter 1954), featuring Ellen Ballon and the Canadian operatic soprano Pauline Donalda receiving their honorary doctorates. The photograph is in black and white but the banner for the magazine is in colour.
File contains an autographed photograph of Sir Ernest MacMillan, the conductor of the Toronto Symphony Orchestra, in commemoration of a performance with Ellen Ballon of Heitor Villa-Lobos' first piano concerto.
File is a manuscript with three numbered pieces by Alfred La Liberté: "Pensée Tendre" (D-flat Major), dedicated to Katherine Sneed; "Prière (Choral)" (D Major), dedicated to Marcel Dupré; and "Dance-Song" (b minor).
File contains newspaper clippings that mention Ellen Ballon. Topics range from concert reviews, her favourite recipes, lifestyle, the death of her mother (Charlotte Ballon, nee Klein), and her contributions during the Second World War. One of the articles reports on her premiere performance in Rio de Janeiro of Heitor Villa-Lobos' first piano concerto.
File contains a copy of the 1906 publication of Anna Magdalena's 1725 Notebook with various short piano compositions, edited by Dr. Richard Batka. The book is inscribed to Ellen Ballon by Clara Lichtenstein, her teacher at McGill Conservatorium of Music, and dated April 7, 1910 in Montreal.