Create a melody and harmony adhering to the specified musical parameters.
Only One Section  
X:1
L:1/8
M:2/4
K:Bb
 g/b/g g2 | cd/b/cc- | ccgc | b2 bg | g/b/g g2 | cf/d/cb | g/b/gcg/g/ | fe/d/ c2 | ac/a/ g2 | 
 dgzb | g/b/g/f/ec | fe/d/ c2 | gg/b/gg | fd c2 | gbg/b/g/b/ | fdcc | z c | g/b/g g2 | cf/d/cb | 
 fd/f/ag | dgfd | c3 c | g/b/g g2 | cf/d/cb | fd/f/ag | dgfd | c4 |]  