added second button and logic to stop events as a test

main.py

@@ -17,7 +17,7 @@ window = pygame.display.set_mode((winW, winH))
 # window.fill((205,100,100))
 # pygame.display.update()
 
-clock = pygame.time.Clock()
+#clock = pygame.time.Clock()
 
 
 def reset_sounds():
@@ -53,9 +53,6 @@ def play_sound(index):
     global current_sound_index
     global channel
     global sound_array
-    global btn_array
-
-    btn_array[index].when_pressed = None
 
     if not cut_current_sound:
         current_sound_index = index
@@ -117,16 +114,23 @@ current_sound_index = -1
 # run setup
 setup_paths(False)
 
+def btn_pressed(index):
+    global btn_array
+
+    btn_array[index].when_pressed = None
+    print('btn pressed')
+    play_sound(index)
+    
 def resetBtn(index):
     global btn_array
     btn_array[index].when_pressed = lambda: play_sound(index)
 
 btn1 = Button(21)
-btn1.when_pressed = lambda: play_sound(0)
+btn1.when_pressed = lambda: btn_pressed(0)
 btn1.when_released = lambda: resetBtn(0)
 
 btn2 = Button(13)
-btn2.when_pressed = lambda: play_sound(1)
+btn2.when_pressed = lambda: btn_pressed(1)
 btn2.when_released = lambda: resetBtn(1)
 
 btn_array = [btn1, btn2]
@@ -135,7 +139,7 @@ btn_array = [btn1, btn2]
 
 run = True
 while run:
-    clock.tick(25)
+    #clock.tick(25)
     for event in pygame.event.get():
 
         if event.type == pygame.QUIT: