Build a composition using the stipulated musical framework and theme.
X:1
L:1/4
M:2/2
K:Bb
['d3/2 e/ f'  
X:1
L:1/4
M:2/2
K:Bb
|:"F" f2 f g | a2 g a |"Bb" b b"C7" a3/2 g/ |1"F" f4 :|2"F" f3 g/a/ |:"Bb" b a g f | 
"F7" f e"Bb" d3/2 e/ | f f"^(Cm)" e d |"F7" c2"Bb" B2 ::"Bb" d3/2 e/ f f |"Eb" g e"Bb" f2"^I" | 
"Bb" d3/2 e/ f f |"Eb" g e"Bb" f d/e/ |"Bb" f f"E" e d |"F7" c2"Bb" B2 :|  