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:2/2
K:D
['D/D/D AF', 'defg abaf']  
X:1
L:1/8
M:2/2
K:D
 F | D/D/D AF ADDF | D/D/D AF BEEF | D/D/D AB defe | dBAF ADD :| f | defg abaf | gefd eBBe | 
 defg abaf | geag fdde | defg abaf | gefd eBBe | dfeg afge | fbef dDD ||  