Construct a musical piece using the designated motif and sticking to the alphabetical form presented.
X:1
L:1/8
M:2/2
K:D
['FAAB AFED FAA[BF] ABde', 'bfaf defd efde BcdB']  
X:1
L:1/8
M:2/2
K:D
|:"D" FAAB AFED | FAA[BF] ABde |"Bm" fBBA Bcde | f2 ef"A7" edBA |"D" FAAB AFED | FAA[BF] ABde | 
"Bm" fBBA"G" BcdB |"A7" AFEF"D" D4 ::"D" faab afde | fdad bdfd |"Em" efga bgef | gebe"A7" geeg | 
"D" fgaf bfaf | defd efde |"Bm" fBBA"G" BcdB |"A7" AFEF"D" D4 :|  