Assemble a piece of music by merging the alphabetic representation of the predetermined musical pattern and the provided melodic theme.
X:1
L:1/4
M:4/4
K:Amin
['A d']  
X:1
L:1/4
M:4/4
K:Amin
"Dm" d e/d/ c A |"F" d c/B/ A d |"G" c/d/e/d/ c A |"Am" d c/B/ A2 :|"Dm" d e f2 |"F" e/d/e/f/ e2 | 
"G" d e f3/2 d/ |"Am" d c d A :|  