Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
Q:3/8=120
M:6/8
K:C
['G GEG GEG c3 e2 c', 'c2 c']  
X:1
L:1/8
Q:3/8=120
M:6/8
K:C
 G | GEG GEG | c3 e2 c | dcB G2 F | F3 E2 G | GEG GEG | c3 e2 c | dBG A2 B | c3 c2 :: c | 
 e2 e c2 c | f2 f e2 c | cdc c2 G | F3 E2 G | GEG GEG | c3 e2 c | dBG A2 B | c3 c2 :|  