Compose a piece using the specified musical pattern based on the alphabet notation and provided melodic motif.
X:1
L:1/8
Q:1/4=84
M:4/4
K:G
['A2 A2']  
X:1
L:1/8
Q:1/4=84
M:4/4
K:G
 D2 | GGGG G2 BA | G2 DD D3 G | A2 A2 A2 GA | BdcA B3 G | B3 G A3 F | G2 B2 D2 z B | cBAG D2 F2 | 
 G6 |]  