Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:6/8
K:D
['B^AB G2 F', 'd cec ABc |1 dAG FAd f2']  
X:1
L:1/8
M:6/8
K:D
|: DFA dcd | B^AB G2 F | EFG ABc | dAG FGE | DF/G/A d2 d | B^AB G2 F | EE/F/G A>Bc |1 d3 dAF :|2 
 d3- dAd |: f^ef dAd | gfg e2 d | cec ABc |1 dAG FAd | f2 f dAd | g2 g e2 d | c2 c A>Bc | 
 d3 dAd :|2 dAG FGE | DFA dcd | B^AB G2 F | EFG ABc | d3- d3 ||  