Develop a musical composition by integrating the alphabetically represented musical pattern and the supplied melodic theme.
X:1
L:1/8
M:2/4
K:none
['[K:D] d>d dd df dB A2 cB/c/', 'dA dA cA', 'g2 fe (Af) .f.f f2 ed', 'G G/F/F FF e A Gg d2', 'd df fa [fa]2 z2 f3 g']  
X:1
L:1/8
M:2/4
K:none
[K:D] d>d dd | df dB | A2 cB/c/ | d2 z2 |: dA dA | cA !>!e2 | e>d c>B | BA f2 | dA dA | cA !>!E2 | 
 cB e>^G | AA A z :: (Ag) .g.g | g2 fe | (Af) .f.f | f2 ed | c2 GA | c3 B | B>A F>A | B3 B | 
 (Ag) gg | g2 fe | (Af) .f.f | f2 ed | B2 d>d | A2 f>f | ee B>c | dd d z ::[K:G] d !>!B2 G | 
 G/F/F FF | e !>!c2 A | Gg d2 | d !>!g2 f | e3 A | A !>!f2 e | dc BA | d !>!B2 G | G/F/F FF | 
 e !>!c2 A | Gg d2 | d !>!g2 B | Ae e2 | d/c/B/c/ E>F | GG G z ||[K:C] G3 e | e3 d | df fa | 
 [fa]2 z2 | f3 g | g3 f | fe eg | gc BA | G3 e | e3 d | dB de | d3 g | ^f3 A | ce d>^F | 
 GG"_>Teil C" G z |]  