Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
M:2/2
K:D
['([FA-][AA]) [AA]2- [AA]Ade', 'DFAF G2 BG DGBG F2 AF DFAF', 'dfaf (g/a/g) bg dgbg fgaf dfaf gbeg']  
X:1
L:1/8
M:2/2
K:D
 ([FA-][AA]) [AA]2- [AA]Ade | fded (3BdB AG | ([FA-][AA]) [AA]2- [AA]Ade | 
[M:3/2] fgab afeg (f/g/f) d2 ::[M:2/2]"^B" F2 AF DFAF | G2 BG DGBG | F2 AF DFAF | GBAG (3FAF D2 :: 
"^B'"{g} f2 af dfaf | (g/a/g) bg dgbg | fgaf dfaf | gbeg (f/g/f) d2 :|  