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:G
['DGG BGG AGG GBd efg dBG', 'gfg efg edB def']  
X:1
L:1/8
M:6/8
K:G
 uE |"^segno" DGG BGG | AGG GBd | efg dBG | AGG BGE | DGG BGG | AGG GBd | efg dBG | AGA G2 :: 
 !fermata!uf | gfg efg | edB def | gfg eag | fdd d2 f | gfg efg | edB def |1 gfe dBA | BGG G2 :|2 
 gba gfe | dBA BGE"^segno""_DS" |]  