Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/16
M:2/4
K:G
['', 'BAFB A2D2', 'eBBg f2df efdB ABde fddg f2df efde']  
X:1
L:1/16
M:2/4
K:G
 A2 |: BAFB A2D2 | BAFA BEE2 | BAFB A2D2 |1 ABde fddA :|2 ABde fddg || f2df efde | f2df eBBg | 
 f2df efdB | ABde fddg | f2df efde | f2df eBBf | afef dBAF | ABde fdd2 ||  