Design a melodic composition using the outlined structure while keeping within the customary elements of the given genre.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/4
M:4/4
K:Bb
 F |"Bb" F3/2 F/ =E/F/ G/F/ | F B3 |"F" c2 B A |"Bb" B3 z |"Eb" G2"F" F F |"Bb" F3 F | 
"Eb" G3/2 G/ G/B/ A/G/ |"Bb" G F2 B |"F" c3/2 c/ =B/c/ d/c/ |"Bb" c B2 z |"C7" A2 G c |"F" c3 z | 
"F7" e2 d c |"Bb" B3 z ||"Bb" d2 B F |"Eb" G3 z |"F" A2 B c |"Bb" F3 z | d2 f B |"Eb" e3 c | 
"Bb/F" B A/B/"F7" d3/2 c/ |"Bb" B3 |]  