Create a melody and harmony adhering to the specified musical parameters.
'Sectional: Through Composed'  
X:1
L:1/8
M:4/4
K:G
|: GABc defg | GBdB AF D2 | GABc defg | cAdB G2 G2 :: FADA FADA | GBDB GBDB | FADA FADA | 
 EcAF G2 G2 ::[M:6/8][K:Bb] B,2 B B,2 B | GEC FDB, | B,2 B B,2 B | fdB AGF | Gce FBd | GcB AGF | 
 GED CBA | B3 C3 :: cAF ecA | dBF fdB | cde dcB | AcA F2 E | DFB EGc | FBd Gce | fdB AFA | 
 B3 B,3 :|  