diff --git a/fireworks/fireworks.s b/fireworks/fireworks.s
index 2bed19d3..33a37107 100644
--- a/fireworks/fireworks.s
+++ b/fireworks/fireworks.s
@@ -390,11 +390,14 @@ restart:
 	eor	#$C0
 	sta	sound1+2
 
-
 	lda	sound2+2
 	eor	#$C0
 	sta	sound2+2
 
+	lda	sound3+2
+	eor	#$C0
+	sta	sound3+2
+
 	jmp	setup_background
 
 
diff --git a/fireworks/fw.s b/fireworks/fw.s
index 1d1486b0..34bc88a6 100644
--- a/fireworks/fw.s
+++ b/fireworks/fw.s
@@ -450,7 +450,7 @@ not_done_with_launch2:
 ;======================================================================
 ; Start explosion near x_old, y_old
 ;======================================================================
-; cycles = 67+16+63+16+258+16 = 436
+; cycles = 67+16+63+16+258+20 = 440
 ;
 
 start_explosion:
@@ -528,7 +528,10 @@ exp_sub_done:
 	jsr	hplot0		; hplot(x_old,y_old);			; 6+244
 								;==============
 								;	258
-	; Spread the explosion
+	; Make sound and ready explosion
+
+sound3:
+	bit	SPEAKER							; 4
 
 	ldy	#1							; 2
 	sty	TEMPY		; save Y				; 3
@@ -540,7 +543,7 @@ exp_sub_done:
 
 	rts								; 6
 								;=============
-								;	16
+								;	20
 
 ;==========================================================================
 ; Continue Explosion
diff --git a/fireworks/state_machine.s b/fireworks/state_machine.s
index af6ace07..fc6ab9c0 100644
--- a/fireworks/state_machine.s
+++ b/fireworks/state_machine.s
@@ -62,21 +62,22 @@ Yloop2:	dex								; 2
 	;=================================
 	; and take 4504 cycles to do it
 
-	; we take 445 so waste 4059
+	; we take 449 so waste 4055
 action_start_explosion:
 
-	; Try X=30 Y=26 cycles=4057 R2
+	; Try X=15 Y=50 cycles=4051 R4
 
+	nop
 	nop
 
-        ldy	#26							; 2
-Zloop1:	ldx	#30							; 2
+        ldy	#50							; 2
+Zloop1:	ldx	#15							; 2
 Zloop2:	dex								; 2
 	bne	Zloop2							; 2nt/3
 	dey								; 2
 	bne	Zloop1							; 2nt/3
 
-	jsr	start_explosion			; 6+436 = 442
+	jsr	start_explosion			; 6+440 = 446
 
 	jmp	check_keyboard			; 3