Create a musical piece that integrates the provided motif and follows the prescribed alphabetical structure.
X:1
L:1/8
M:4/4
K:D
['B3 dBAF B2 dfec B3 dcdB fded']  
X:1
L:1/8
M:4/4
K:D
|:"Bm" B3 c"D" dBAF |"Bm" B2 Bc"Bm" dfec |"Bm" B3 c"Bm" dcdB |1"D" ABde"Bm" fded ||2 
"D" ABde"Bm" fdec |:"D" dfaf"Bm" bfaf |"D" dfaf"G" g2 fg |"D" afge"Bm" dedB |1"D" ABde"Bm" fdec :|  