Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
M:4/4
K:F
['cd f3 g (fg) a2 c2 A2', 'c3 d', '(cd) (fc) a2 (ag)(gf) (fc)(df) cA (GF)', 'G3 A']  
X:1
L:1/8
M:4/4
K:F
"_Slow" cd | f3 g (fg) a2 | c2 A2 TG2 F2 | f2 c2 f/g/a Tg>f | d3 f d2 :: fg | a2 F2 (Ac)dF | 
 A2 (GA) G3 A | c3 d (cd)(cA) | (cA)(cd) f2 (cB) | A2 (GF) (AB)(cA) | (dc)(BA) GBAB | cAcd fcdA | 
 c3 d c2 ::"_Vari.n" (cd) | (fc) a2 (ag)(gf) | (fc)(df) cA (GF) | f2 F2 (f/g/a) (Tg>f) | d3 f d2 :: 
 f2 | (cA)(GF) F3 G | (Af)(cA) G3 A | (cA)(cd) (c/A/c/)d/ (c/d/c/)A/ | cAcd f3 g | 
 (a/g/f) d2 (f/d/c) A>f | (d/c/A) F>A G3 A | c3 d (c/d/f/c/) dA | c3 d c2 :|  