Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:6/8
K:D
['Add dcd efe efg fed dcd', 'd3 dfa afd Bgf gec ddd dcd']  
X:1
L:1/8
M:6/8
K:D
 Add dcd | efe efg | fed dcd | ecA d3 :| dfa afd | Bgf gec | ddd dcd | ecA d3 :|  