Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:4/4
K:G
['G2 dB cAFA', 'fdde fdcA']  
X:1
L:1/8
M:4/4
K:G
 (3DEF | G2 dB cAFA | GABc dBcA | G2 dB cAFA | GBAF G3 F | G2 dB cAFA | GABc defg | afge fdcA | 
 GBAF G2 :: ge | fdde fdcA | dggf g2 ag | fdde fdcA | GBAF G2 ge | fdde fdcA | dggf g2 ag | 
 f3 d ecAF | GBAF G2 :|  