Compose a piece using the specified musical pattern based on the alphabet notation and provided melodic motif.
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
['BG G2', 'g3 e']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
 DG G2 FGAc | BG G2 ABcA | d2 cA BG G2 | (3Bcd cA BGAF | DG G2 FGAc | BG G2 ABcA | d2 cA BG G2 | 
 (3Bcd cA G3 z :| g3 e fdde | fdgd fd d2 | g3 e fddc | defd g3 z | g2 ag fddc | B2 BG ABcA | 
 d2 cA BG G2 | (3Bcd cA G3 z :|  