Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/4
M:3/4
K:D
['D D']  
X:1
L:1/4
M:3/4
K:D
 D | D D A | A G F | G2 F | D2 z | D D E | F E D | G F G | A3 | d d d | c2 A | G2 E | =C2 z | 
 D D E | F G A | G E F | D3 ||  