[Music]
SongRater & SongCommenter
-> apiProfile

Grade & Comment
-> Serialization
[Music]
SongRater & SongCommenter
-> apiProfile
[Music]
SongRater & SongCommenter
-> apiProfile
Merge pull request #154 from Levleyth/master

[Music]SongCommenter + SongRater (apiProfile) ; Grade + Comment (Serialization)