Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
Q:3/8=120
M:6/8
K:G
['G3 TB2 A ceg']  
X:1
L:1/8
Q:3/8=120
M:6/8
K:G
 G3 TB2 A | ceg dBG | Tc3 BAG | FAd AFD | G3 TB2 A | ceg ecA | dBG AFD | G6 ::  