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
Q:1/2=70
M:2/2
K:D
['a3 f', 'e2 A>A f2 d>d', "a a/d'/c'/d'/ a/d'/ a/d'/d'/a/ f/a/", 'a/g/ f/a/d/f/ a/f/ g/b/e/g/', 'g (dB)(AG) (ED)(EG) d2 dB d2 dg', 'b2 ag', 'F/G/AA A2', 'F/G/AA A2']  
X:1
L:1/8
Q:1/2=70
M:2/2
K:D
 a/b/4c'/4 | d'4 a3 f | d>cd>e f2 f>d | c>Ad>A e>Af>e | e2 A>A A2 f>g | a3 f dddd | e3 c A2 A2 | 
 (3(Bcd) (3(fed) c2 ed/c/ | A2 A>A A2 :: c>d | e2 A>A f2 d>d | e2 A>A f2 d>d | g>gf>e d2 c2 | 
 B2 B>B B>AB>c | d2 A>A e>da>f |{e} d2 d>B A2 g2 | fe/f/ g>e d>fe>c | d2 d>d d2 :| 
[M:3/8][K:D][Q:3/8=50] a | a/d'/c'/d'/ a/d'/ | a/d'/d'/a/ f/a/ | g/c'/c'/g/ f/g/ | f2 a | 
 a/d'/c'/d'/ a/d'/ | a/d'/d'/a/ f/a/ | g/d'/d'/g/ e/c/ | d2 :: a/g/ | f/a/d/f/ a/f/ | 
 g/b/e/g/ a/g/ | e/g/c/e/ g/e/ | a2 a/g/ | f/a/d/f/ a/f/ | g/b/e/g/ b/g/ | ec/A/ c/e/ | d2 :| 
[M:4/4][K:G][Q:1/2=100] g | (dB)(AG) (ED)(EG) | d2 dB d2 dg | (dB)(AG) EDEG | e2 ed e3 :: g | 
 dega{ga} b2 ag | d2 dB d2 de | dega{ga} b2 ag | e2 ed e2 eg | dega{ag} b2 ag | d>edB d2 dg | 
 dBAG EDEG | e2 ed e3 :|[M:6/8][K:D][Q:3/8=120] A | F/G/AA A2 d | BAd A2 G | F/G/AA A2 g | 
 f3 e2 A | F/G/AA A2 d | BGd A2 b | afa gfe | ddd d2 :| a | aba d'2 a | f3 d2 e | efe a2 e | 
 c3 A>Bc | d3 B>cd | e3 c>de | fga agf | edc BAG | F/G/AA A2 d | BAd A2 G | F/G/AA A2 g | f3 e2 A | 
 F/G/AA A2 d | BGd A2 b | afa gfe | ddd d2 |]  