Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:3/4
K:D
['d2 A2', 'e2 (3def']  
X:1
L:1/8
M:3/4
K:D
 d2 A2 G<F | E<F A2 d2 | e>f d2 (c2{Bc} | d6) | d2 A2 d>e | f2 e2 d2 | e>dc>de>f | e6 :: ecAceg | 
 g2 f2 e2 | (3def (3edc (3dcB |{B} A4 G2 | FA d2 d2 | GB e2 e2 | (3def B2"^tr" c2{cc} | d6 :|  