Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
M:4/4
K:C
['c2 c2']  
X:1
L:1/8
M:4/4
K:C
 G2 | c2 c2 c2 c2 | G4 z2 G2 | A2 A2 ABcA | G4 z2 G2 | GFFE F3 F | EGGc c3 G | AGFEGFED | C4 z2 |]  