Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:12/8
K:F
['=B2 G', 'f2 d cAF cAF Acc f3 d2']  
X:1
L:1/8
M:12/8
K:F
 c | (cf)c A2 F Acc f2 c | (dg)d =B2 G Bde f3 | (FA)F f2 g agf e>dc | dgd =B2 G Bde f2 :: d | 
 cAF cAF Acc f3 | d2 =B dBG Bde f2 a | F>AF f2 g agf e>dc | dgd =B2 G B2 d f2 :|  