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
['f/g/f/e/ d/c/d/B/ AD FA GE', 'g/f/g Af fd e/f/e/d/ BA Af f/e/f']  
X:1
L:1/8
M:2/4
K:D
 f/g/f/e/ d/c/d/B/ | AD FA | GE e>d | cB BA | f/g/f/e/ d/c/d/B/ | AD FA | GE e>f |1 ed d>e :|2 
 ed d>B |: Af f/e/f | Ag g/f/g | Af fd | e/f/e/d/ BA | Af f/e/f | Ag g/f/g/a/ | ba f/g/a/f/ |1 
 ed d>B :|2 ed d>e |]  