Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
M:4/4
K:A
['(AB) c2', 'e3 f', 'A2 (AB) (ce)(fe) (ag)(fe) (dc)(BA) B2 ab', 'A2 (c>d) e>fec e2 ac (d/c/B/A/) Bc']  
X:1
L:1/8
M:4/4
K:A
"_slow" (AB) | c2 (Tfe) (dc)(BA) | (Bc)(ec) B2 (AB) | c2 TBA F2 AF | (EF)(AB) A2 :: (cd) | 
 e3 f ecTBA | TBABc e3 f | a3 g f2 (ec) | (Bc)(f=g) f3 e | e2 (f^g) (af)(af) | (ec)(ec) B2 (ce) | 
 (fe)(cB) (A>B)cE | F2 (A>B) A2 :: (AB) | (ce)(fe) (ag)(fe) | (dc)(BA) B2 ab | c'2 Tba (fa)(ec) | 
 (Bd)(cB) A2 :: (c>d) | e>fec e2 ac | (d/c/B/A/) Bc e2 (fg) | (ag)(fe) (ag)(fe) | (TcB)(ce) f3 e | 
 a>bc'b (a<f)(a<f) | (e/c/B/)c/ ac B2 (ce) | f2 (af) (e/c/B/)c/ (A/>B/c/)E/ | F2 (A>B) A2 :|  