Create a melody and harmony adhering to the specified musical parameters.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/4
K:G
 G/A/B/c/ dd | gg/g/ e z | d z B z | A/G/A/B/ G2 :: gged | gg AG | gg ff | e/g/f/e/ d2 | 
 G/A/B/c/ dd | g z e z | d z B z | A/G/A/B/ G2!D.C.! ||  