Create a melody and harmony adhering to the specified musical parameters.
Only One Section  
X:1
L:1/8
Q:3/8=120
M:6/8
K:Bb
 B,2 B A2 B | c2 d edc | d/e/fd B2 b | fdB cAF | E2 g D2 f | C2 e fga | b3 fdB | cBA B3 |:  