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:6/4
K:D
['C3 E DEFD E4', 'dc d2', 'ED afd gec']  
X:1
L:1/8
M:6/4
K:D
 C3 E DEFD E4 | ef e2 E3 A F2 ED | C3 E DEFD E4 | dc d2 D2 A2 F2 ED || d3 f edcB B/c/d/B/ | 
 dc d2 E3 G F2 ED | d3 f ecBA G/A/B/c/ | dc d2 D3 A F2 ED | GE G2 FD F2 EC E2 | ef e2 E3 A F2 ED | 
 GE G2 FD F2 EC E2 | dc d2 D3 A F2 ED || afd gec fdB ecA | ef e2 E3 A F2 ED | afd gec dcB Edc | 
 dc d2 D3 A F2 ED ||  