Develop a song that integrates the given musical theme as a fundamental aspect.
'Sectional: Through Composed'  
X:1
L:1/16
M:2/4
K:Bb
"Bb" f2f2{/f} b2b2 |{/b}"F7" a2a2{/a}"Eb" g2g2 |{/g}"F7" f2f2{/f} c2c2 |"^tr""Bb" d2B2{/c} BAB2 | 
 f2f2{/f} b2b2 |{/b}"F7" a2a2{/a}"Eb" g2g2 |{/g}"F7" f2cd fedc |"Bb" B2BB B2 z2 :| 
[K:F]"C7" c2=Bc d2e2 |"F" fefg a4 |"C7" c'bg2 c'bg2 |"F" agfe"^tr" d2c2 |"C7" c2=Bc d2e2 | 
"F" fefg a4 |"C7" c'bg2 c'bag |"F" f2f2 f2ff |:[K:Bb]{/f}"F7" a2a2 agfe |"Bb" g2g2 f4 | 
"Eb" g2g2"F7" gfec |"Bb" d2B2{/c} BAB2 |{/f}"F7" a2a2 agfe |"Bb" g2g2 f4 |"F7" cf=ef _e2A2 |1 
"Bb" B2d2 B2ff :|2"Bb" B2d2 B2B2 ||[K:Eb]"Eb" e2eg eBeg | b2be' b2g2 |"Ab" a2ac' eac'e' | 
"Eb" b6 g2 |"Ab" a2ac'"Bb7" ac'fa |"Eb" g2gb gbeg |"Bb7" f2fb f2fb |"Eb" g2gf e2g2 | 
"Ab" a2ac'"Bb7" ac'fa |"Eb" g2gb gbeg |"Bb7" f2fb f2fb |"Eb" e2g2 e2 z2 |]  