Compose a tune following the outlined musical pattern.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/2
K:Bb
|: B2 BF DEFD | B2 BG ABcd | B2 BF DEFD | CccB Accd :| B<B f2 dB f2 | B<B f2 defg | B<B f2 dB f2 | 
 edcB Accd | B<B f2 dB f2 | B<B fB cdeg | fdec dBcA | BGFD Cccd |]  