Develop a musical composition utilizing the presented motif and adhering to the required structure.
X:1
L:1/8
M:4/4
K:Amin
['GEGA BGAB', 'eA A2'  
X:1
L:1/8
M:4/4
K:Amin
 EBAE GE E2 | GEGA BGAB | cE E2 A3 B | AGED EGcB | AE E2 GEDE | GEGA BGAB | cE E2 A3 B | 
 AGED EG G2 | EBAE GE E2 | GEGA BGAB | cE E2 A3 B | AGED EGcB | AE E2 GE E2 | GEGA BGAB | 
 c3 d e3 d | cAAG EA A2 || eA A2 gedB | eA A2 AG (3Bcd | eA A2 eagf | eAfA gfeg | eA A2 gedB | 
 AE E2 AG (3Bcd | eAAG ED (3EFG | AcBG A2 (3Bcd | eA A2 gedB | eA A2 AG (3Bcd | eg g2 ea a2 | 
 egfa gfeg | eA A2 GE E2 | GEGA BGAB | c3 d e3 d | cAAG EA A2 ||  