Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:6/8
K:G
['D2 c']  
X:1
L:1/8
M:6/8
K:G
 D | D>GGGFE | EDD D2 c | B2 BAGA | G3 z2 D | D>GGGFE | EDD D2 c | B2 BAGA | G3 z2 D/G/ | 
 G>GB B2 d | d>ccccc | AAddcc | c3 B2 D | DGGGFE | E3 D2 c | B>BBAGA | G3 z2 |]  