Siyu Gao

@seehamrun said the existing playlist model was written as a dummy example and proof of concept. There is no one actually using it. There are only 2 implementation of PlaylistExporter/Importer...

@seehamrun Here is the external DTP music data model [design doc](https://docs.google.com/document/d/1zgXFV5uvPnJ-vuOla7-ARkCtyYA90LrpSFPXzLUxnNo/edit?usp=sharing). Please reach out to me [email protected] if you don't have the commenter access.