Peter Maxwell Davies’s Third Symphony, commissioned by the BBC in 1983, serves as a compelling example with which to explore the emergence of a new beast in the musical jungle: the composer’s agent. This moment represents a turning point in the commercialization of the classical music world. The fee negotiation for the symphony, handled by Maxwell Davies’s agent rather than his publisher, exemplifies the shifting power dynamics introduced by the agent’s arrival. Drawing on archival records, personal memoirs, and interviews, this article reconstructs the complex network of relationships involved, offering a nuanced understanding of the commissioning process during this pivotal moment.