The Senior Musicians' Association was registered with the Department of National Revenue in August 1974 to qualify as a charitable organization, and obtained its certification in January 1975. Its purpose, according to the documents: "to provide an opportunity for retired musicians to get together socially, form an orchestra and give free concerts to golden age residences, hospitals, etc." Its funding came from government grants and the musicians union through its Music Performance Trust Funds, as well as private sponsors and donors. Led by Herb Johnson, the Senior Musicians Orchestra played from 1975 through 1987.
The documents in the sub-series are primarily administrative records reflecting the formation and activity of the Association.