Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
Q:1/2=100
M:2/2
K:G
['GA BABd cBAG dBde d2 gf', 'g2 fg agab a2 ga ba/g/ fe']  
X:1
L:1/8
Q:1/2=100
M:2/2
K:G
 GA | BABd cBAG | dBde d2 gf | edeg dBAG | A2 AB A2 GA | BABd cBAG | dBde d2 gf | edeg{ga} b2 ag | 
 g2 ga g2 :| fg | agab a2 ga | ba/g/ fe e^def | gfga f3 e | e2 ef e2{ef} g2 | dBAG Bdeg | 
 dBAG E2 ba | gdeg b2 A>G | G2 GA G2 :|  