Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:4/4
K:D
['D2 (3DDD ADFD (3DDD (3AAA (3ddd fd', 'BdAD Bbba B3 b afde fefa bd']  
X:1
L:1/8
M:4/4
K:D
 D2 (3DDD ADFD | (3DDD (3AAA (3ddd fd | edBd AdFA | BdAF GECE | D2 (3DDD ADFD | 
 (3DDD (3AAA (3ddd fd | edBd AdFA |1 BdAF DdAF :|2 BdAF D3 E || F3 E FABA | dBBA BdAD | Bbba B3 b | 
 afde fefa | bd (3ddd edBd | AdFD EDB,D | A,D (3DDD DFBF | AFEF D3 :|  