Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:4/4
K:C
['G<c c2 e<c', "f>d e>g g<c' a>f f>a g>f e.d"]  
X:1
L:1/8
M:4/4
K:C
 G<c c2 e<c c>f | d>c _B>c d<e f2 | G<c c2 e<c c>a |1 g>f e.d e<c c>A :|2 g>f e.d e<c c2 |: 
 e>g g<c' a>f f>e | d>_B F>_B d>e f>d | e>g g<c' a>f f>a | g>f e.d e<c c2 :|  