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:2/4
K:D
['FA AF AB de', '', 'f2 fd']  
X:1
L:1/8
M:2/4
K:D
|: FA AF | AB de | f2 fe | dB BA | FA AF | AB de | fa fe | d2 d2 :| e || f2 fd | g2 ge | f2 fd | 
 ed Bd | f2 fd | g2 ge | ba fe | d2 de | f2 fd | g2 ge | f2 fd | ed Bd | Af fA | Bg ga | ba fe | 
 d2 d2 ||  