Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:2/2
K:C
['e c2 (Gc) ECE_B AFGE D(ddf) ecBd', 'ecgc afge d_BfB dfBg']  
X:1
L:1/8
M:2/2
K:C
 e | c2 (Gc) ECE_B | AFGE D(ddf) | ecBd cGEC | EGFA Gc c :| f | ecgc afge | d_BfB dfBg | 
 ecgc afdg | =Bdfd eccf | ecgc afge | d_BfB dfBg | ed=Bd cGEc | cADf ec c ||  