Utilize the given musical motif and the alphabetic representation of the specified sequence to create a musical piece.
X:1
L:1/8
M:4/4
K:Bb
['B2 FB d2 Bd fegf edcB', 'Acfc acfc']  
X:1
L:1/8
M:4/4
K:Bb
 F2 | B2 FB d2 Bd | fegf edcB | A2 FA c2 Ac | f=eag fe_ed | B2 FB d2 Bd | fegf edcB | ABcd egAc | 
 B2 B2 B2 :: cB | Acfc acfc | Acfc acfc | Bdfd bdfd | Bdfd bdfd | Acfc acfc | Acfc acfc | 
 gaba =ecde |1 f=efg f2 :|2 ffg fe_ec ||  