Compose a piece following the specified musical structure in language.
'Sectional: Through Composed'  
X:1
L:1/8
M:2/4
K:Bb
 D/F/ |"Bb" B2"Eb" BB/B/ |"Bb" B4"^A" |:"Bb" Fd Fd | cB (B/A/B) | FB FB |"Cm" AG (G/^F/G) | Ge Ge | 
"F7" dc (c/=B/c) | cB AG | EF"Bb" D2 | Fd Fd | cB (B/A/)B | FB FB |"Cm" AG G/^F/G | Ge Ge | 
"F7" dc (c/=B/c) | F !>!A2 c |"Bb" BB B z ::"^B""F7" (F>A) (B>c) |"Bb" d>g f2 |"F7" ee (e/d/)c | 
"Bb" dd (d/c/)B |"F7" (F>A) (B>c) |"Bb" d>g f2 |"F7" ee e/d/c |"Bb" B z B z :: 
[K:Eb]"^C""Eb" G3 (e | G3) e | dc =Bc |"Bb7" A3 (d | A3) (d | A3) e | dc =Bc |"Eb" G3 e | G3 e | 
 G3 e | dc =Bc |"Ab" f3 e | d3 c |"Eb" B3 e |"Bb7" dc A>d |"Eb" ee e z :|  