from minwii.eventutils import EventDispatcher
 from minwii.musicxml import musicXml2Song
 from minwii.config import SONG_FILE_PATH
 from minwii.eventutils import EventDispatcher
 from minwii.musicxml import musicXml2Song
 from minwii.config import SONG_FILE_PATH
 from minwii.globals import PLAYING_MODES_DICT
 from minwii.log import console, LOG_FORMAT_VERSION, envLogger
 from minwii.globals import PLAYING_MODES_DICT
 from minwii.log import console, LOG_FORMAT_VERSION, envLogger
+        themedir = __file__.split(os.path.sep)[:-1] + ['widgets', 'data', 'minwii_theme']
+        themedir = os.path.sep.join(themedir)
+        theme = Theme(themedir)
+        self.app = Desktop(theme=theme)
         bank, preset = instrumentDescription['bank'], instrumentDescription['preset']
         octave = instrumentDescription['octave']
         self.synth.adjust_octave(0, octave)
         self.synth.program_select(0, bank, preset)
         bank, preset = instrumentDescription['bank'], instrumentDescription['preset']
         octave = instrumentDescription['octave']
         self.synth.adjust_octave(0, octave)
         self.synth.program_select(0, bank, preset)
-        playingScreen = SongPlayingScreen(self.synth, song, mode=playMode)
+        if playMode == PLAYING_MODES_DICT['IMPRO'] :
+            playingScreen = PlayingScreen(self.synth)
+        else :
+            song = musicXml2Song(songFile)
+            playingScreen = SongPlayingScreen(self.synth, song, mode=playMode)