Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/4
M:6/4
K:C
['c/d/ e c', 'g e']  
X:1
L:1/4
M:6/4
K:C
 c/d/ e c d B G | A/B/ c E D2 C | E/F/ G E G2 G | c/d/ e c d3 | c/d/ e c d B G | A/B/ c E D2 C | 
 E/F/ G G A/B/ c c | e/f/ g e c3 || e/f/ g e g e c | f/g/ a f a2 a | e/f/ g e g e c | d G d d3 | 
 e/f/ g e g e c | f/g/ a f a3/2 g/ f | e/f/ g e d B G | A/B/ c E C3 ||  