Craft a musical piece that incorporates the given motif and follows the outlined structure.
X:1
L:1/8
Q:1/4=150
M:2/4
K:D
['A>B df', 'af fe/f/ af f>e dB'  
X:1
L:1/8
Q:1/4=150
M:2/4
K:D
 B | A>B df | A>B df | eB BA/B/ | dB Bd | A>B df | A>B df | eB cd | ed d :: e/f/ | af fe/f/ | 
 af f>e | dB BA/B/ | dB Be/f/ | af fe/f/ | af f>e | dB cd | ed d :|  