Develop a musical composition based on the outlined framework and thematic material.
X:1
L:1/8
M:2/4
K:C
['gc a>g fd cd/c/', 'g gf ff/g/ gg f2 F2 A>c'  
X:1
L:1/8
M:2/4
K:C
"^A""F" F>A cf |"Bb" df/d/"F" c2 |"C7" gc c2 |"F" ac c2 | F>A cf |"Bb" df/d/"F" c>f | 
"C" eg"G7" dg |"C" ce/g/ c' z ::[K:F]"^B""C7" ce/f/ gg | (!>!g2 g/)f/e/d/ |"F" cf/g/ aa | a3 c | 
"C7" ba gc |"F" a>g fd |"C7" cd/c/ B/c/d/e/ |"F" f/g/a/b/ c'2 |"C7" b>a gc |"F" a>g fd | 
"C7" cd/c/ =B/c/d/e/ |"F" ff/f/ f z :|[K:Bb]"^C""Bb" B2 d2 | f3 g | gf ff/g/ |"F7" gg f2 | F2 A>c | 
 e3 a | ag gg/a/ |"Bb" gf ff | B2 d>f | b3 b/b/ | ba/b/ c'b |"Cm/Eb" a2 g2 | eg g>e |"Bb" df f>B | 
"F7" A/B/c/d/ e/f/g/a/ |"Bb" bb/b/ b z |]  