Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
['Bdgd BcBG AE E2', 'bgaf gbaf gfed']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
 G3 A Bdgd | BcBG AE E2 | G3 A BABd | egfa gedB | GFGA Bdgd | BcBG AE E2 | G2 GA BABd | 
 egfa gdef || g3 a bgaf | gbaf gfed | B3 A GABd | (3efg fa gfed | g2 ga bgaf | gbaf gfed | 
 B2 BA GABd | egfa gedB ||  