Compose a piece by adhering to the specified musical framework.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/2
K:Bb
 Bc | defg f2 dB | g2 ec f2 dB | Bcde fdBd | c=Bcd c3 _B/c/ | defg f2 dB | g2 ec f2 dB | 
 fbag gfed | fedc B2 :: FG | ABcd cAFA | dBFB cAFA | FGAB cAFA | edc=B c3 _B/c/ | 
 defg fB (TB3/2A/4B/4) | gB (TB3/2A/4B/4) fB (TB3/2A/4B/4) | fbag gfed | fedc B2 :|  