Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
Q:1/2=90
M:2/2
K:D
['dcdA FAdf edcB', 'd2 (fg) afaf dfaf bgbg egbg afda']  
X:1
L:1/8
Q:1/2=90
M:2/2
K:D
 (3(ABc) | dcdA FAdf | edcB Acfg | fdfa bged | cdcB Agfe | dcdA FAdf | edcB Aceg | fafd egec | 
 d2 d2 d2 :: (fg) | afaf dfaf | bgbg egbg | afda bged | cdcB Agfe | dcdA FAdf | edcB Aceg | 
 fafd egec | d2 d2 d2 :|  