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:3/4
K:G
['G2 D B, D G']  
X:1
L:1/4
M:3/4
K:G
 D |"G" B2 c |"D7" A2 B |"G" G2 D | B, D G |"D7" A2 D | C D F |"G" G2 D | B, D G | B2 c | 
"D7" A2 B |"G" G2 D | B, D G |"D7" F2 D | C D F |"G" G3/2 G/ G | G z D |:"G" B/G/ B D | B/G/ B D | 
"D7" c/A/ c D | c/A/ c D | A/F/ A D | A/F/ A D |"G" G/G/ G G |1 G z D :|2 G z z |]  