Construct a musical composition utilizing the provided motif and conforming to the specified structure.
X:1
L:1/8
M:2/2
K:A
['a2 ec (Ac)ec (EG)BG', 'E2 [Ec][Ec] E2 [Ec]E- E2 cd', 'fgae ce-ef edcA dcBA G(B [Be]2) ([ce-][ee]-)[ee]f'  
X:1
L:1/8
M:2/2
K:A
 (ea-) | a2 ec (Ac)ec | (EG)BG (AB)cA | dB-Bc BcBA | GABc defg | a2 ec (Ac)ec | (EG)BG (AB)cd | 
 e2 fg afed | cABc A2 :: GF | E2 [Ec][Ec] E2 [Ec]E- | E2 cd cBAA | F2 [Fd][Fd] F2 [Fd]F- | 
 [Fd]2 de dcBA | E2 [Ec][Ec] E2 [Ec]E- | E2 cd cBAc | eefg afed |1 cABc A2 :|2 cABc [Ae]4 || 
 ([ce-][ee]-)[ee]f ecBA | dd-de fgae | ce-ef edcA | dcBA G(B [Be]2) | ([ce-][ee]-)[ee]f ecBA | 
 d3 e fgae | gaba gecA |1 dcBG A4 :|2 dcBG A2 ||  