Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:4/4
K:A
['d2 B=G A<AcA', 'A<A ce']  
X:1
L:1/8
M:4/4
K:A
 A<Ac>A d2 B=G | A<AcA d2 cA | BEEe d2 B=G | A<AcA dB e2 :| A<A ce =g2 BG | A<A ce a2 af | 
 =g2 ge dgBG | A<AcA dB e2 | A<A ce =g2 BG | AA ce abaf | =gage dgBG | Aa=ge dB e2 |]  