Develop a musical piece using the given motif and adhere to the outlined musical structure.
X:1
L:1/16
Q:1/4=80
M:2/4
K:Bb
['d2(Bd) egfe', 'B2 fe dffb g2(fe) d2Bd cAF2 dffb'  
X:1
L:1/16
Q:1/4=80
M:2/4
K:Bb
 fe | d2(Bd) egfe | d2Bd cAF2 | d2(Bd) egfe | dBcA B2 :: fe | dffb g2(fe) | d2Bd cAF2 | dffb g2fe | 
 dBcA B2 :|  