switching.socialYou might want to look at @funkwhale which is a free open federated music storage and sharing system.
You can see Funkwhale in action on https://open.audio which contains tens of thousands of Creative Commons tracks.
Bobinas P4G is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.
All Bobinas P4G content and data are available under the Creative Commons Attribution 3.0 license.