Compose music following the given musical structure in a specific language.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
Q:1/4=140
M:4/4
K:Bb
 (3fga | b2 (ag) fedc | BABc dBFD | FBAB GBAB | dBed cfga | b2 (ag) fedc | BABc dBFD | EGcd ecag | 
 fedc B2 :: (fe) | dDFB dfba | gEGB egbg | f=efg fdBd | edc=B cf=e_e | dDFB dfba | gEGB egbg | 
 f=efg f_edc | Bbfd B2 :|  