Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/4
M:4/4
K:C
['c c']  
X:1
L:1/4
M:4/4
K:C
 c2 c c | (c e) g g | a f d c | (B d) G2 | c2 c c | c e g g | (a f) d B | c4 | d2 e f | (g e) c2 | 
 d2 e f | (g e) c2 | (c e) g c' | (b a) (g f) | (e d) c B | c4 |]  