Add new Entity to annotatedClasses:
    adrian.example.musicplayer.model.Music.Song
    adrian.example.musicplayer.model.Music.Genres
    adrian.example.musicplayer.model.Music.Album
    adrian.example.musicplayer.model.Music.Artist
The hibernate will be create tables to rely on above Entity.

Change name properties hibernate.hbm2ddl.import_files -
WelcomeController.sql to scriptSqlMusicPlayer.sql 
because is now correct name of file
Script Sql who is insert data into tables: user, user_role,
user_information, ALBUM, ARTIST, GENRES, SONG, playlist creates by
hibernate.