Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
Q:1/2=60
M:2/2
K:G
['g2 Bc', 'ge Te2 fd Td2']  
X:1
L:1/8
Q:1/2=60
M:2/2
K:G
 g2 Bc dBdB | g2 Bc d3 g | edcB A2 ab | c'bc'a gfed | g2 Bc dBdB | g2 Bc d3 g | edcB A2 ab | 
 c'agf g4 :: b2 gb gbgb | a2 fa fafa | g2 eg egeg | agfe d4 | ge Te2 fd Td2 | ge Te2 fd Td2 | 
 gfgd BdBG | d2 d2 d2 de/g/ :|  