Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
M:4/4
K:D
['af f2', 'd2 fd Adfd']  
X:1
L:1/8
M:4/4
K:D
 af f2 afdf | af f2 efge | af f2 afdf | gefd efge | af f2 afdf | af f2 efge | af f2 afdf | 
 gefd efge || d2 fd Adfd | d2 fa gece | d2 fd Adfd | gefd efge | d2 fd Adfd | d2 fa gece | 
 dfAd fAdf | gefd efge ||  