Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/16
M:2/4
K:Amin
['', 'B2A2 A2GA B2A2', 'd2e^f g2fg a2e2 e2a2']  
X:1
L:1/16
M:2/4
K:Amin
 ed |: B2A2 A2GA | B2A2 A2Bc | d2ed B2AB | G2>A2 B2ed | B2A2 A2GA | B2A2 A2g2 | a2ge degd | 
 B2A2 A2ed :| d2e^f g2fg | a2e2 e2a2 | g^fed efgB | G2>A2B2e2 | d2e^f g2fg | a2e2 e2a2 | 
 g^fed efgd | B2A2 A2e^f | d2e^f g2fg | a2e2 e2a2 | g^fef efgB | G2>A2B2e2 | c2Bc d2cd | 
 e2^fg a2>f2 | g^fed efgB | B2A2 A4 ||  