Joy O'Brien is a resident of Halifax, Nova Scotia. She sang for many years with the Nova Scotia Mass Choir, a multicultural gospel choir that performed locally, nationally, and internationally. Joy accumulated a large collection of newspaper clippings, programs, photographs, sound recordings, and video recordings that documented the activities of the Choir, as well as those of individual choir members, guest performers and musicians.
Thomas M. Power's drug store was established circa 1873 on Argyle Street by Thomas M. Power (August 10, 1851-June 11, 1934). A new location was opened on December 1, 1897 at the corner of North Street and Lockman Street (present day Barrington Street) across from the Intercolonial Railway Station and close to the naval dockyard in Halifax, Nova Scotia.