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
['A3 d f3', 'a z']  
X:1
L:1/8
M:4/4
K:D
 A3 B AF F2 | A3 d f3 z | afef dedB | A2 DF FEDF | A z AB AF F2 | A3 d f3 g | afef dedB | 
 Adfe d3 z | AFBF AFDF | A3 d f3 z | afef dGBd | ADFD EFDB | A z AB AF F2 | A3 d f3 g | afef dedB | 
 Adfe d3 z || fded BAAB | d3 f a z af | g2 fg e B3 | dBAF EFDB | A z AB AF F2 | A3 d f3 g | 
 afef dedB | Adfe dcde | fded BAFA | d3 f a z af | g z fd e B3 | dBAF EFDB | A z AB AF F2 | 
 A3 d f3 g | a z ef dGBd | Adfe d4 ||  