Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:4/4
K:F
['(fe) f2', 'gc ed c>d cA', '(fe) f2', 'B2 (B>c)', 'AF A>B AG F2 (fe) f2 c>=B']  
X:1
L:1/8
M:4/4
K:F
|: (fe) | f2 c=B c2 AF | A>B AG F2 (fe) | f2 c>=B c2 AF | G>A B=B c2 (de) | fa gf ec c2 | 
 d>f ed (cA) A2 | Bd cB cA BG | A2 (F>G) F2 ::[K:C] G2 | c>d ec gc ed | c>d cA G3 ^G | 
 A>B cA Gc eg | f>e dc d3 G | c>dec gc ed | c>d cA G2 G^G | A>B cf ed cB | c2 (c>d) c2 :| 
[K:F] (fe) | f2 c=B c2 AF | A>B AG F2 (fe) | f2 c>=B c2 AF | G>A B=B c2 (de) | fa gf ec c2 | 
 d>f ed (cA) A2 | Bd cB cA BG | A2 (F>G) F2 |:[K:Bb] (f/e/d/c/) | B2 (B>c) dB df | g>a ba gf fd | 
 B2 (B>c) dB df | g>f dB c2 c2 | db ag fd Bd | e>d cB G2 (F>G) | B2 (B>c) dg fd | (c<B) (d>c) B2 :: 
[K:F] (fe) | f2 c=B c2 AF | A>B AG F2 (fe) | f2 c>=B c2 AF | G>A B=B c2 (de) | fa gf ec c2 | 
 d>f ed (cA) A2 | Bd cB cA BG | A2 (F>G) F2 :|  