Develop a musical composition using the provided structural guidelines.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
Q:1/2=80
M:2/2
K:Bb
 Bd | ff=ef gfef | dbfd B2 BA | G2 gf edcB | Af=ef F2 Bd | ff=ef gfef | dbfd B2 BA | GB eg afec | 
 B2 d2 B2 :: F=E | FAcB Aced | cegf edcB | Acfa bgf=e | f=efg f2 ga | bf=ef dfBf | gedc BAGF | 
 Bdeg afec | B2 d2 B2 :|  