Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/8
M:6/8
K:Amin
['e/>d/ BAA ABG A d2 e/^f/ g2', 'B2 A']  
X:1
L:1/8
M:6/8
K:Amin
 e/>d/ | BAA ABG | A d2 e/^f/ g2 | a>gf/d/ B2 A | (G3 G2) e/>d/ | BAA ABG | A d2 e/^f/ g2 | 
 a/g/ed B2 A | (A3 A2) || e/f/ | ged eaa | g2 b a/g/ e2 | (Ta/g/e)d B2 A | (G3 G2) (e/>d/) | 
 BAA ABG | A d2 e/^f/ g2 | a/g/ed B2 A | (A3 A2) |]  