Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
Q:1/4=120
M:3/4
K:G
['dcB>AGB3/2 c/d A3 A dcB>AGE3/2 D/E G3']  
X:1
L:1/8
Q:1/4=120
M:3/4
K:G
|: dcB>AGB3/2 | c/d A3 A | dcB>AGE3/2 | D/E G3 G :|  