Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
Q:1/8=70
M:2/4
K:C
['c2 BABc']  
X:1
L:1/8
Q:1/8=70
M:2/4
K:C
 B2 cB | d3 e | f3 g | d>e f/e/d/c/ | B2 cB | d3 e | f3 g | d4 :: |1 !>!BABc dGBd | f2 e2 d2 c2 | 
 BABc dGAd | f2 ed e2 c2 | BABc dGBd | f2 e2 d2 c2 | BABc d2 B2 | c8 :|  