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
['', 'dBG DGc', 'dBA G (3Bcd', 'fd^c d2']  
X:1
L:1/8
M:6/8
K:G
 g |: dBG DGc | ABd d (3B^cd | eAA EAc | g3 gfe | dBG DGc | B2 d dcB | A^ce a3 |1 fd^c d2 g :|2 
 fd^c def |: g3 f3 | e3 dBA | G (3Bcd g2 e | dBA G (3Bcd | g3 f3 | e3 dcB | A^ce a3 |1 fd^c def :|2 
 fd^c d2 z |: Bc^c dbf | agd f=fe | dbf agd | f=fe bge | dbf agd | B2 g gdB | A^ce a3 |1 
 fd^c d2 z :|2 fd^c d2 g ||  