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
['C2C2 CDEF GAGF']  
X:1
L:1/16
M:2/4
K:C
 (3G,A,B, |"C" C2C2 CDEF | GAGF E2FE |"G7" DCB,A, G,A,B,G, |"C" C2C2 CG,A,B, |"C" C2C2 CDEF | 
 GAGF EFGB |"F" AcAc"G7" BAGB |"C" c2cc c2 :: g2- |"C" g2f2e2f2 g2a2g2f2 | e[ce]2[Ae] [ce]2a2- | 
"Am" ageg abag | e[ce]2[Ae] [ce]2g2- |"C" gfef gagf | e[ce]2[Ae] [ce]2G2- |"G7" GBAc BAG2 | 
"C" [ce]2>[ce]2 [ce]2 :|  