Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
M:4/4
K:C
['C>E c>G']  
X:1
L:1/8
M:4/4
K:C
|:"C" C>E G>A"G" c<E D2 |"C" C>E G>A"Am" c>G A<G |"F" F>d E>c"G" d>E D<E |1 
"C" C>E G<A"G" c>G A<c :|2"C" C>E G<A"G" c>G A<a |:"C" g<c c>a"Dm" g>e d>e | 
"C/E" g<c g>a"Am" g>e d<e |"F" f>g a/g/f/e/"G" d>c d<e |1"F" c>G A>G"G" c>G A<a :|2 
"F" c>G A>G"C" c>G A<c |]  