Update nsynth-script.py

nsynth-script.py

@@ -113,5 +113,5 @@ class Nsynth(datasets.GeneratorBasedBuilder):
                     "id": str(guid),
                     "audio": audio_filename, 
                     "pitch": examples[guid]["pitch"], 
-                    "label": examples[guid]["instrument_family_str"], 
+                    "label": examples[guid]["pitch"], 
                 }