Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
Q:1/4=120
M:7/8
K:Fdor
['BcA B4', 'A3- A3 F', '[_A=c]2 [ce]3 [ce]2 [=A^c][_A=c] [FB]3- [FB]2 A2', 'c B A2- A4 cBA B3 A']  
X:1
L:1/8
Q:1/4=120
M:7/8
K:Fdor
"^A" BcA B4 | AGA F4 | BcA B4 | AGc- c4 | BcA B4 | AGA F4- | F3 AFFA | B c2 F4 |: 
"^B"[I:MIDI= program 70]"^prog: 71" F3- F2 A2 | A3- A3 F | FEA z2 AG | F3- F2 A2- | A3- A3 F | 
 F3 z4 :|"^C" [Ac]3 [=A^c]2 [_A=c]2 | [ce]3 [ce]2 [=A^c][_A=c] | [FB]3- [FB]2 A2 | c3 ^c2 =c2 |: 
"^D" cBA B3 c | B A2- A4 | cBA B3 A | c7 | ecB c2 B2 | A F2- F4 | AFF A2 B2 | F3- F4 :|  