Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/4
M:4/2
K:Ddor
['A2 G']  
X:1
L:1/4
M:4/2
K:Ddor
 D2 | F2 (E D) A2 A A | d2 (c d) A3 A | A2 B c d2 e2 | c2 B B A3 B | c2 c2 d2 A2 | A2 G G F3 E | 
 F2 G G A2 G F | E2 D4 |]  