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
['D<D(F>D) (E>D)F>D', 'f d<d(f>d) (e>d)f>d']  
X:1
L:1/8
M:4/4
K:D
 A, | D<D(F>D) (E>D)F>D | A,<AA,>B, E2 (EF) | D<D(F>D) (E>D)F>D | A,<A,A,>B, (D2 D) :| f | 
 d<d(f>d) (e>d)f>d | B>AB<d e3 f | d<d(f>d) (e>d)f>d | A>BA<F (D2 D)f | d<d(f>d) (e>d)(f>d) | 
 B>AB<d e3 f | a>fed B<dA>F | G>BA<F (D2 D) ||  