Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:2/2
K:Gmin
['BdcA G2', 'G2 a2 af g2 fg a2 ag']  
X:1
L:1/8
M:2/2
K:Gmin
 vBdcA G2 GB | AFcF dFcF | BdcA G2 ag | fdcA AG G2 | BdcA G2 GB | AFcF dFcF | BdcA G2 ag | 
 fdcA AG G2 :: a2 af g2 fg | a2 ag fdde | fgaf g2 ag | fdcA AG G2 | a2 af g2 fg | a2 ag fdde | 
 fgaf gabg | fdcA AG G2 :|  