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:C
["df f/g/a dg g/a/b dc'/b/", 'gf/f/ fB dc/c/ cA']  
X:1
L:1/8
M:2/4
K:C
"^A""C" e/f/g c/d/e |"Dm/F" dA d>c |"G7" B/c/d G/A/B |"C" c/e/e/a/ g>f | e/f/g c/d/e | 
"D7" d>A d>c |"G7" B/c/d G/A/B |"C" cc c z :|[K:G]"^B""D7" df f/g/a |"G" dg g/a/b |"D7" dc'/b/ a2 | 
"G" db/a/ g2 |"D7" df f/g/a |"G" dg g/a/b |"D7" dc'/b/ ab/a/ |"G" g2"_>Teil A""G7" !>!=f2 |: 
[K:F]"^C""F" c/c/c"Bb" d/d/d |"F" ca a>c | cf f>c |"Gm" ed{/e} d/^c/d | d/d/d"D7" _e/e/e | 
"Gm" db b>a |"C7" ag ^f>g |"F" af c2 |"F" c/c/c"Bb" d/d/d |"F" ca a>c | cf f>c | 
"Gm" ed{/e} d/^c/d |"^Ab0" d/d/d dd |"F" dc a>b |"G7" ag"C7" d>e |"F" ff f"_Fine" z :| 
[K:C]"^D""G7" gf/f/ fB |"C" dc/c/ cA |"G7" G>f ed |"C" de c2 |"G7" gf/f/ fB |"C" dc/c/ cA | 
"G7" Gb/a/ g/f/e/d/ |"C" .c2"_>Teil C""C7" !>!c2 |]  