Update README.md

README.md

@@ -115,8 +115,15 @@ detailed_stats = TMIDIX.Tegridy_ms_SONG_to_MIDI_Converter(ms_MIDI_score,
 ### Calculate MIDI score signature
 
 ```python
+#===================================================================
+# !git clone --depth 1 https://github.com/asigalov61/tegridy-tools
+#===================================================================
+
+from collections import Counter
 import TMIDIX
 
+#===================================================================
+
 def get_score_signature(midi_score):
 
     score = []