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
M:4/4
K:D
['AG FGAF E2 ed cABc dBBA BdAF', 'D2 BF F2 Bcdc BG G2 BcdB']  
X:1
L:1/8
M:4/4
K:D
|: D2 AG FGAF | E2 ed cABc | dBBA BdAF | GFED cABc | d2 AG FGAF | E2 ed cABc | dBBA BdAF | 
 GFEG FD D2 :: BF F2 Bcdc | BG G2 BcdB | cA A2 e3 c | Aced cAGE | D2 AG FGAF | E2 ed cABc | 
 dBBA BdAF | GFEG FD D2 :|  