Our objective in this paper is to develop a methodology to infer from the behaviour and choices of broadcasters the “competitive” value they attach to the use of music, more precisely sound recordings, and to derive from such an inferred value the proper “competitive” copyright payments to be made to authors, composers, performers, and makers of sound recordings. We illustrate the methodology by applying it to Canadian data. The background is provided by the statement of case and supporting proof presented in the 2004 proceedings before the Copyright Board of Canada on the commercial radio tariff. The results called for a significant increase in copyright payments by Canada's commercial radio industry: the proper competitive copyright payments should be substantially more than double what the industry was paying at the time of the hearings.