Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:3/4
K:D
['B2 A2 GA B4', 'gBAGCD C4 B,2']  
X:1
L:1/8
M:3/4
K:D
 bg B2 A2 | GA B4 | Bd B2 A2 | GA B4 | de f2 f2 | ^cd e2 e2 | ^cedGFE | F6 :: d4 b2 | b2 ag a2 | 
 d4 a2 | a2 gf g2 |"^O)" gBAGCD | C4 B,2 |"^O)" gBAGCD | C4 B,2 | GA B2 B2 | FG A2 A2 | FAGCB,A, | 
 B,6 :|  