Insert some line breaks in the music, so our first line program has something to stop on.

Morris/BanksOfTheDee.abc

@@ -1,4 +1,3 @@
-%abc
 X:1
 T:The Banks of the Dee
 M:6/8
@@ -8,16 +7,11 @@ N:
 A:Ascott-under-Wychwood
 O:English
 R:Jig
-%:
-%:
-%P:A/2(AB)$^5$
 P:A.(AB)5
 K:G
 I:speed 300
 P:A
-|:\
-G      | DEF GAB  | ced cBA | BGE Ddc | BcA G2  :|\
+|: G      | DEF GAB  | ced cBA | BGE Ddc | BcA G2  :|
 P:B
-|:\
-G/2A/2 | Bcd c2 g | ede dBG | Bcd efg | GAG FED |\
+|: G/2A/2 | Bcd c2 g | ede dBG | Bcd efg | GAG FED |\
 	 cec BdB  | GFG AFD | GFE Ddc | BcA G2  :|

Morris/LadsABunchum.abc

@@ -1,4 +1,3 @@
-%abc
 X:1
 T:Lads-a-Bunchum
 M:4/4
@@ -8,15 +7,10 @@ N:
 A:Adderbury
 O:English
 R:Reel
-%P:Ch(AB)$^6$B
 P:A.(AB)6B
-%
-%
 K:G
 I:speed 400
-%
 P:A
-%
 |: A2 | B2   B2    Bcde           | c2    A2       A2    \
 w: *    Oh   dear  moth-er, what a  fool  I've     been,
 w: *    Five were  blind_ and the   other couldn't see,

Morris/PostmansKnock.abc

@@ -1,6 +1,6 @@
 %abc
 X:1
-T:The Postman's Knock
+T:Postman's Knock, The
 M:6/8
 C:
 S:Bacon (RD ex Blunt MSS)
@@ -8,24 +8,17 @@ N:
 A:Adderbury
 O:English
 R:Jig
-%:
-%:
-%:
 L:1/16
 K:D
 I:speed 500
 P:A
-D3D | D2F2G2 A4 F2  | G2A2B2 A4 A2 | d2A2G2 F2E2D2  | E6-E4     \
-%:
- D2 | D2E2F2 A2A2A2 | G2A2B2 A4 F2 | E2d2c2 B2A2^G2 | A6-A2     \
-%:
-A3A | A2G2F2 F2d2d2 | d2D2E2 F4 F2 | F2F2F2 d2c2B2  | c6 B4     \
-%:
+D3D | D2F2G2 A4 F2  | G2A2B2 A4 A2 | d2A2G2 F2E2D2  | E6-E4    \
+ D2 | D2E2F2 A2A2A2 | G2A2B2 A4 F2 |
+E2d2c2 B2A2^G2 | A6-A2     \
+A3A | A2G2F2 F2d2d2 | d2D2E2 F4 F2 | F2F2F2 d2c2B2  | c6 B4
  A2 | d2d2d2 d2A2F2 | E2F2G2 B4 A2 | A2d2F2 FF3E2   | D6 D4     ||\
-%:
 I:speed 600
 P:B
-%:
    A4   A2    A2A2A2     | B2c2d2      A6    |\
 w: Ever-y     morn-ing as  true as the clock,
    d3cB2      d4    F2   | F4  E2      F6    |