Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:4/4
K:D
['dedc BA (3FGF DE (3FED EA,CE (3DED', 'bafd AB']  
X:1
L:1/8
M:4/4
K:D
|: dedc BA (3FGF | DE (3FED EA,CE | (3DED DE FABc | dfed cgfe | dedc BA (3FGF | DE (3FED EA,CE | 
 (3DED DE FAdB |1 AFEF dD (3FGA :|2 AFEF dzzA |: (3ded de (3fgf (3dfa | d'zzc' bafd | 
 AB (3cBA eA (3cBA | Acef agec | (3ded de (3fgf (3dfa | d'zzc' bafd | AB (3cd^d (3e=f^f gf |1 
 agfe d2 (3ABc :|2 agfe d4 ||  