1. The document compares the costs and features of three digital music aggregators: CD Baby, Horus Music, and Symphonic. 2. It finds that Symphonic has the most affordable options, taking only a 9% commission with no annual fees. Symphonic also provides extra support services. 3. Based on being the most cost-effective option that provides good all-around support and services for indie artists, the document chooses Symphonic as the recommended aggregator.