Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:6/8
K:C
['Gcc{d} cBc', 'g ecg ceg efg (a2 g) fdg']  
X:1
L:1/8
M:6/8
K:C
 Gcc{d} cBc | Add{e} d^cd | edB G2 G | AGE C2 G | Gcc{d} cBc | A2 d{e} d^cd | edB GAB | c2 e c2 :: 
 g | ecg ceg | efg (a2 g) | fdg ecg | (dB)g G2 g | ecg ceg | efg (a2 g) | fdg ecg | (dB)g c2 :|  