Add minor progression.

app.py

@@ -65,9 +65,10 @@ def sonify_text(text, sentiment):
     p = music21.stream.Part()
     if sentiment == 'NEGATIVE':
         # If negative, use TODO 
-        p.append(music21.chord.Chord('C4 E4 G4', type='half')) # I
-        p.append(music21.chord.Chord('G3 B3 D4', type='half')) # V
-        p.append(music21.chord.Chord('A3 C4 E4', type='half')) # vi
+        p.append(music21.chord.Chord('A3 C4 E4', type='half')) # i
+        p.append(music21.chord.Chord('F3 A4 C4', type='half')) # VI
+        p.append(music21.chord.Chord('C3 E3 G3', type='half')) # III
+        p.append(music21.chord.Chord('G3 B3 D4', type='half')) # VII
     else:
         # If positive, use a partial progression I-V-vi in C Major.
         p.append(music21.chord.Chord('C4 E4 G4', type='half')) # I
@@ -98,7 +99,7 @@ def process_midi(MIDI_File, Text_to_Sonify, Randomness, Amount_of_Music_to_Add):
     
     # create the model input object
     if sonification:
-        sentiment = 'POSITIVE'
+        sentiment = 'NEGATIVE'
         item = sonify_text(Text_to_Sonify, sentiment)
     else:
         item = MusicItem.from_file(name, data.vocab)