Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/8
M:2/2
K:Bb
['B2 (3(GFE) DB,DF', 'B,2 Bdfd bdcB ABcA acBA GABG gedc', 'G,2 fd (3(dcB) ba (3(agf) edcB AGFE']  
X:1
L:1/8
M:2/2
K:Bb
|: B2 (3(GFE) DB,DF | B2 (3(dcB) AFAc | B2 (3(GFE) DB,DF | dB FA B2 B,2 :: Bdfd bdcB | ABcA acBA | 
 GABG gedc | BGAF G2 G,2 :: fd (3(dcB) ba (3(agf) | edcB AGFE | DFBD EGce | dcBA B2 B,2 :|  