Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:4/4
K:D
['d2 dc', 'fdad fddf gebe geeg']  
X:1
L:1/8
M:4/4
K:D
 c | d2 dc dAFD | Beed cABc | d2 dc dBAF | GEAF D2 d :| g | fdad fddf | gebe geeg | fdad fddg | 
 fedc d2 dg | fdad fddf | gebe geeg | fdec dBAF | GEAF D2 D ||  