Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:6/8
K:D
['f2 f', 'B2 B Bde faa fed e2 e']  
X:1
L:1/8
M:6/8
K:D
|: f2 f efg | fed B2 A | FAA GAB | f2 f ede | f2 f efg | fed B2 A | FAA GAB | edc d3 :: B2 B Bde | 
 faa fed | e2 e fed | Bde fed | B2 B Bde | faa fed | e2 e fed | B2 A B3 :|  