Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
Q:1/8=180
M:4/4
K:Emin
['G2 BG dGBG ABcA GE E2 (3Bcd', 'gfga bgef']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:Emin
 G2 BG dGBG | ABcA GE E2 | (3Bcd ef gfed | B2 Ac BE E2 | G2 BG dGBG | ABcA GE E2 | (3Bcd ef gfed | 
 B2 cA BE E2 || gfga bgef | g2 ag fd d2 | gfga bgef | gefd Beef | gfga bgef | g2 ag fddg | 
 bgaf gfed | B2 cA BE E2 ||  