Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:6/8
K:G
['B,2 D C2 E D2 B BAB', 'ded cAB c2 c']  
X:1
L:1/8
M:6/8
K:G
|: DC | B,2 D C2 E | D2 B BAB | c2 A AGA | BGE D2 C | B,2 D C2 E | D2 B BAB | cAF DEF |1 GBA G :|2 
 G3 G |: Bc | d3 ded | cAB c2 c | Bcd GBd | cBc ABc | d3 ded | cAB c2 c | BdB cAF | DGF G :|  