Develop a piece of music using the specified alphabetic notation system and the provided motif.
X:1
L:1/8
M:9/8
K:G
['g2 e dBG', 'g2 b bgb']  
X:1
L:1/8
M:9/8
K:G
|: g2 e dBG dBG | g2 e dBG c2 A | g2 e dBG dBG | ABc BAG FED :: g2 b bgb bgb | g2 b bgb afd | 
 g2 b bgb bgb | abc' bag fed :|  