Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:6/8
K:Ddor
['DCD E^FG A2 B', 'd dAd dAd dcd e2 d']  
X:1
L:1/8
M:6/8
K:Ddor
|: A,DD DCD | E^FG A2 B | cBc AcA | GEG EDC | D3 DCD | E^FG A2 B | cBA GEC |1 D3 DCB, :|2 
 D3 D2 d || dAd dAd | dcd e2 d | cBc AcA | GED C2 d | dAd dAd | dcd e2 d | cBA GEC | D3 D2 d | 
 dAd dAd | dcd e2 d | cBc AcA | GEG EDC | D3 DCD | E^FG A2 B | cBA GEC | D3 DCB, ||  