Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/4
Q:1/4=180
M:4/4
K:G
['G G']  
X:1
L:1/4
Q:1/4=180
M:4/4
K:G
"G" G G G A | G G D2 |"C" E D"D7" E F |"G" G2 G2 :|"G" d c B A |"Em" B A G2 |"C" E D"D7" E F | 
"G" G2 G2 |"D" D D E F |"G" G G"D7" A2 |"G" d c B A |"Em" G2"C" c2 |"G" G4 |]  