Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:4/4
K:Amix
['e>c d>cB>c A>Bc>A .a2 .e2 e2', '(3cBA .a.A', 'e>c d>cB>c A>Bc>A .a2 .e2 e2', '(3AAA a2 a/^g/e/g/ a2 (3AAA a>^g e2']  
X:1
L:1/8
M:4/4
K:Amix
|: e>c | d>cB>c A>Bc>A | .a2 .e2 e2 (3def | .g2 BA G2 (3BAG | .g2 .d2 d2 e>c | d>cB>c A>Bc>A | 
 .a2 .e2 e2 a2 |{f} g>ed>B G>Bd>B | e2 .A2 A2 :: (3ef^g | a>(ec>)(e a>)(ec>)(e | .a2) .e2 e2 f2 | 
 g>ag>f g>ag>e | d>=cB>A G>AB>A | (3cBA .a.A (3cBA .a.A | .a2 .e2 .e2 a2 | 
{f} g>(ed>)(B G>)(Bd>)(B | .e2) .A2 A2 :: e>c | d>cB>c A>Bc>A | .a2 .e2 e2 (3def | 
 .g2 BA G2 (3BAG | .g2 .d2 d2 e>c | d>cB>c A>Bc>A | .a2 .e2 e2 a2 | g>(ed>)(B G>)(Bd>)(B | 
 .e2) .A2 A2 :: c>B | (3AAA a2 a/^g/e/g/ a2 | (3AAA a>^g e2 d=g | (3GGG g2 g/e/d/e/ g2 | 
 (3GGG ge d2 BG | (3AAA a2 a/^g/e/g/ a2 | (3AAA a>^g e2 d>(=g | e>)(dB>)(d G>)(Bd>)(B | 
 .e2) .A2 A2 :|  