Compose a tune following the outlined musical pattern.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:4/4
K:G
|:"^A" D>G | B2 B2 B>cd>B | c2 A2 A2 B>c | d>ed>B c>dc>A | B2 G2 G2 ::"^B" g>f | e2 d2 d2 G>A | 
 B2 B2 B2 g>f | e2 d2 c2 B2 | A>GF>E D2 D>G | B2 B2 B>cd>B | c2 A2 A2 B>c | d>ed>B c>dc>A | 
 B2 G2 G2 :|  