Create a composition based on the given musical structure and notation.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:4/4
K:Bb
|: dc | BF DF BF DF | BA Bc dc d=e | fc Ac fc Ac | f=e fg f_e dc | BF DF BF DF | BA Bc dc de | 
 fg ag fe dc | B2 d2 B2 :: ba | ge BG EG Bg | fd BF DF Bf | eA gf eA gf | dB gf dB ba | 
 ge BG EG Bg | fd BF DF Bf | =ef ag f_e dc | B2 d2 B2 :|  