added second button and logic to stop events as a test

main.py

@@ -54,6 +54,7 @@ def play_sound(index):
     global current_sound_index
     global channel
     global sound_array
+    global btn_array
     
     sound_playing = True
     
@@ -67,6 +68,7 @@ def play_sound(index):
             print("Playing...")
             pygame.event.clear()
         sound_playing = False
+        btn_array[current_sound_index].when_pressed = lambda: btn_pressed(index)
         print("Finished. ")
 
     """ todo
@@ -134,10 +136,10 @@ def btn_pressed(index):
 def resetBtn(index):
     global btn_array
     
-    if(sound_playing):
+    #if(sound_playing):
     print('btn released')
     btn_array[index].when_released = None
-        btn_array[index].when_pressed = lambda: btn_pressed(index)
+    #btn_array[index].when_pressed = lambda: btn_pressed(index)
 
 btn1 = Button(21)
 btn1.when_pressed = lambda: btn_pressed(0)