Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/16
M:2/4
K:C
['.C2c2c2 (Bc) dBGB', 'gege fafa']  
X:1
L:1/16
M:2/4
K:C
 (uGE) | .C2c2c2 (Bc) | dBGB .c2(cd) |"^4" ecec fdfd | gece dBGE | .C2c2c2 (Bc) | dBGB .c2(Bc) | 
 dagf edcB | [cE]2[cE]2[cE]2 :: (uef) | gfed cBAG | .A2F2F2 (fg) | agfe dcBA | .B2G2G2 (ef) | 
 gege fafa | gege fafa | geaf edcB | [cE]2[cE]2[cE]2 :|  