Develop a musical composition based on the outlined framework and thematic material.
X:1
L:1/4
Q:1/2=110
M:2/2
K:Bb
['d e'  
X:1
L:1/4
Q:1/2=110
M:2/2
K:Bb
|:"^A""Bb" f g a b |"Eb" g f e d |"Cm" e f g e |"F7" g2 f2 |"Eb" g f e d |"Cm" e d"C7" c B | 
"F" A B"C7" c d |"F" c A"F7" G F |"Bb" f g a b |"Eb" g f e d |"Cm" e f g e |"F7" g2 f2 | 
"Eb" g f e d |"Cm" e d c B |"F7" d c B A |"Bb" B4 ::"^B""F" c d e d |"^/" e c B A |"Bb" B c d e | 
"G7" f d c =B |"Cm" c d e f |"Eb" g f e d |"Cm" e d"C" c B |"F" B A"F7" G F |"Bb" f g a b | 
"Eb" g f e d |"Cm" e f g e |"F7" g2 f2 |"Eb" g f e d |"Cm" e d c B |"F7" d c B A |"Bb" B4 :|  