Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:4/4
K:G
['BGAF G3']  
X:1
L:1/8
M:4/4
K:G
 D G3 DGBd | g2 dg egdB | A3 G AcBA | GBAF GFEF | D G3 DGBd | g2 dg egdB | GA (3Bcd gedc |1 
 BGAF G3 E :|2 BGAF G3 B | dggf gd (3Bcd | g2 af gfed | eaag a3 g | e2 ag edBc | dggf gd (3Bcd | 
 g2 af gedB | GA (3Bcd gedc ||1 BGAF G2 Bc :|2 BGAF G3 B |]  