hechtus/mopidy-gmusic — pull request #7 by shapr (2013-08-21 23:42:10+00:00)
Title: give vaguely sane defaults for optional elements

This fixes [#6] by specifying sane defaults for each of the optional keys.
Optional keys are described in https://unofficial-google-music-api.readthedocs.org/en/develop/reference/metadata.html#module-gmusicapi.protocol.metadata