Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:4/4
K:G
['(3GAB DG B,DGB dgBd GBAG', 'gece dcde']  
X:1
L:1/8
M:4/4
K:G
 BA |"G" (3GAB DG B,DGB | dgBd GBAG |"D7" (3ABc FA DFAc | ed^cd ed (3=cBA | 
"G" (3GAB DG B,DGB dgBd GBAG |"C" EFGA Bc^cd |"D7" (3fed (3cBA"G" G2 :|[K:D] AG |"D" FdAd FdAd | 
 (3FED FA dAFA |"G" BdGd BdGd | (3BAG Bd gdBd |"A7" ceAe ceAe | (3cBA ce gece | 
"D" (3dcd fd"A7" gece | dcde d2 :|  