Develop a piece of music by incorporating the provided motif and following the outlined musical structure represented by alphabet characters.
X:1
L:1/8
Q:1/4=120
M:2/2
K:Gmin
['G3 A B2']  
X:1
L:1/8
Q:1/4=120
M:2/2
K:Gmin
 d2 | B3 A G2 A2 | ^F3 G A2 D2 | G3 A B2 (AG) | d6 B2 | c3 d e2 (dc) | f2 (ed) A3 F | B3 c c3 B | 
 B6 B2 | =B3 B c2 c2 | d3 B A2 d2 | G3 A B2 c2 | ^F6 c2 | f2 f2 d2 B2 | c3 d e4 | z2 z d c2 (BA) | 
 B3 c d3 B | (ed) (cB) A3 G | .G6 |]  