Assemble a piece of music by merging the alphabetic representation of the predetermined musical pattern and the provided melodic theme.
X:1
L:1/8
M:4/4
K:Amin
['.C/.A,/ A,>B,C>D E<AA>c B>G (B/c/).d/.B/ G2 G>B,', 'A) ^g a<Aa>^g a<Ac>e g>a g^g a<Aa>^g']  
X:1
L:1/8
M:4/4
K:Amin
 .C/.A,/ | A,>B,C>D E<AA>c | B>G (B/c/).d/.B/ G2 G>B, | A,>B,C>D{F} E>D (E<A) | 
{d} (d/B/).d/.d/ e>^G | (A2 A) :| ^g | a<Aa>^g a<Ac>e | g>a g^g | a<Aa>^g a<Ac>d | e/d/e/^f/ g^g | 
 a<A a>^g a<Ac>e | d<B{B}g>B{B} (G2 G>)B | (3ABc (3Bcd c<ee>a | (g/^f/).e/.d/ g<B{B} A2 A ||  