Compose melodic pieces that follow the provided chord changes.
'G', 'D7', 'G', 'D7', 'G', 'D7', 'D7', 'G', 'G', 'C', 'G7', 'C', 'G7', 'C', 'G7', 'G7', 'C', 'C', 'A', 'E7', 'A', 'E7', 'A', 'E7', 'E7', 'A', 'A', 'D', 'A7', 'D', 'A7', 'D', 'A7', 'A7', 'D', 'D'  
X:1
L:1/4
M:2/2
K:G
"G" D G F G | A G F G |"D7" .A2 .d2 | D4 |"G" B3 B | c B A G | c2 B2 |"D7" A4 |]:"G" d3 d | 
 e d c B | A G F G |"D7" A2 d2 | D4 |"^(G)" D G F G |"D7" A2 B2 |1"G" G A B c :|2"G" G4 :| 
[K:C]"C" G c B c | d c B c |"G7" .d2 .g2 | G4 |"C" e3 e | f e d c | f2 e2 |"G7" d4 |]:"C" g3 g | 
 a g f e | d c B c |"G7" d2 g2 | G4 |"^(C)" G c B c |"G7" d2 e2 |1"C" c d e f :|2"C" c4 :| 
[K:A]"^Bb instruments:""A" E A G A | B A G A |"E7" .B2 .e2 | E4 |"A" c3 c | d c B A | d2 c2 | 
"E7" B4 |]:"A" e3 e | f e d c | B A G A |"E7" B2 e2 | E4 |"^(A)" E A G A |"E7" B2 c2 |1 
"A" A B c d :|2"A" A4 :|[K:D]"D" A d c d | e d c d |"A7" .e2 .a2 | A4 |"D" f3 f | g f e d | g2 f2 | 
"A7" e4 |]:"D" a3 a | b a g f | e d c d |"A7" e2 a2 | A4 |"^(D)" A d c d |"A7" e2 f2 |1 
"D" d e f g :|2"D" d4 :|  