Develop an original musical piece that integrates the given alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:Bmin
['a bafa', 'FEFA B3']  
X:1
L:1/8
M:4/4
K:Bmin
 FBBA BdcB | AFEF A4 | FB B2 dBAF | ABde f3 a | bafa bafe | dBAB d3 e | fgfe dBAF |1 FEFA B3 A :|2 
 FEFA B3 a || bafa bafb | afef a3 b | bafe dBAF | ABde f3 a | bafa bafe | dBAB d3 e | fgfe dBAF |1 
 FEFA B3 a :|2 FEFA B3 A ||  