Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
M:2/2
K:G
['gfgd BcdB', 'BGG BGcA dBec BGcA FAAB (3Bcd (3cde']  
X:1
L:1/8
M:2/2
K:G
 gfgd BcdB | gfgB cAAf | gfgd BcdB | ceAc BGG :: BGcA dBec | BGcA FAAB | (3Bcd (3cde (3def gB | 
 cAdc BGG :|  