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
Q:1/8=320
M:6/8
K:D
['ABc |:S', 'dcd AFD', '^g a^ga fdf Adf agf gfg e^de']  
X:1
L:1/8
Q:1/8=320
M:6/8
K:D
 ABc |:S def gfe | dcd AFD | GBG FAF | A,CE GFE | dcd faf | dcd AFD | GBc dAF | A,CE D2 c | 
 def gfe | dcd AFD | GBG FAF | E2 F GFE | dcd faf | dcd AFD | GBc dAF | A,CE D2 || ^g | a^ga fdf | 
 Adf agf | gfg e^de | Ace gfe | fef gfg | a^ga ba=g | fed cBA |1 dAF D2 :|2 dAF DFA"_DS" ||  