Utilize the alphabetic system of the specified musical pattern and the supplied melodic theme to create a piece of music.
X:1
L:1/4
M:4/4
K:G
['G G']  
X:1
L:1/4
M:4/4
K:G
|: B/A/ |"G" G G G B,/C/ | D D/D/ D G/A/ | B B B/A/G/A/ |"D" B A A B/A/ |"G" G G G B,/C/ | 
 D D/D/ D G/A/ |"C" B d d/B/G/A/ |1"D" B A"G" G :|2"D" B A"G" G2 |:"G" B/ d B/ d d | B/ d B/ d2 | 
"C" c/ e c/ e e | c/ e c/ e f |"G" g g d d | B B"D" A G/A/ |"G" B d d/B/G/A/ |1"D" B A"G" G2 :|2 
"D" B A"G" G |]  