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:2/4
K:D
['d^c/d/ ed =cA', 'f>e fd g>f ge']  
X:1
L:1/8
M:2/4
K:D
|: d^c/d/ ed | =cA A2 | d^c/d/ ef | g2 fe | d^c/d/ ed | =cA Ag | f/g/a ge | d2 d2 :: f>e fd | 
 g>f ge | f>e fa | ge =ce | f>e fd | g>f ge | f/g/a ge | d2 d2 :|  