Compose a piece featuring the specified motif and using an alphabet-based arrangement.
X:1
L:1/8
M:3/8
K:G
['C GGG =FED _BAG Az=F A_B/B/c _BAG']  
X:1
L:1/8
M:3/8
K:G
 C | GGG | =FED | _BAG | Az=F | A_B/B/c | _BAG | FGA | G2 z |]  