Compose a piece following the provided musical framework.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:4/4
K:Bb
 f2 | bfdB F2 b2 | geBG E2 g2 | fecA FAcA | B2 dc B2 ::[K:F] AB | c2 f2 a2 fa | gbeg faAB | 
 c2 f2 a2 fa | gbeg f2 :|  