Create a melody and harmony adhering to the specified musical parameters.
Only One Section  
X:1
L:1/8
M:2/4
K:Bb
 F | FBBB | Ac B2 | AcBd | cBAG | FAcc | ccff | F2 z c/d/ | eeec | dd/d/dB | cccA | Bdfc/d/ | 
 eeec | dd/d/dB | ccAA | B2 z |]  