Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:4/4
K:C
['e/f/ g<cg>e f(d d)e/f/ g<cg<e c<eg<e f<de<c', 'C<Ec<E F(DDE) C<Ec<E G<cG<E']  
X:1
L:1/8
M:4/4
K:C
 e/f/ | g<cg>e f(d d)e/f/ | g<cg<e c<eg<e | f<de<c d(DDE) | C>Ec<E G2 G :| E | C<Ec<E F(DDE) | 
 C<Ec<E G<cG<E | F<dE<c d(DDE) | C>Ec<E G2 (GE) | C<Ec<E F(DDE) | C<Ec<E G<cG<E | D(d d)e/f/ | 
 e<cd<B [EGc]2 [EGc] ||  