Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/4
M:2/2
K:G
['G A']  
X:1
L:1/4
M:2/2
K:G
|:"G" G G"D7" A A |"G" B B"C" c2 |"G" B G- G2 |"D7" F D- D2 |"G" G G"D7" A A |"G" B B"C" c2 | 
"G" B G"D7" A F |"G" G3 z ::"G" d2"C" e3/2 d/ |"G" B d3 |"G" B G A G |"G" B4 |"G" d2"C" e3/2 d/ | 
"G" B d3 |"G" B G"D7" A F |"G" G3 z :|  