Abstract: A system is disclosed that operates a secondary market for digital music licenses. The system includes a license administration center communicating over a network with a content provider, a selling first consumer, and a purchasing second consumer. The license administration center operates to receive bids and offers for digital music licenses from the first consumer and second consumer, match bids and offers, terminate the digital music license of the first consumer, grant the digital music license to the second consumer, provide consideration to the first consumer, and receive consideration from the second consumer.