Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/16
Q:1/8=1
M:2/4
K:C
['c4 cddc', 'e4 .c2.c2 .c4 Bcdc d4 .G2.G2', 'G4 .G2 f2 .c2 .c2']  
X:1
L:1/16
Q:1/8=1
M:2/4
K:C
"Am" c4 cddc | cddc cBAB | c4 cddc | cBBA c4 | [ce]4 [ce][df][df][ce] | 
 [ce][df][df][ce][ce][Bd][Ac][Bd] | [ce]4 [ce][df][df][ce] | [ce][Bd][Bd][Ac] [Ac]4 :|"C" efgf e4 | 
 .c2.c2 .c4 |"G" Bcdc d4 | .G2.G2 .G4 |"C" gfed e4 | .c2.c2 .c4 |"G" Bcdc d4 | 
"G7" .G2.G2 .G2.g.f |:"C" [ec]_eeg"G7" [dB]^cdf |"C" [ec]2.[gG].g"G7" .[gA].a.[gB].f | 
"C" [ec]_eeg"G7" [dB]^cdf |1"C" [ec]f"G7" [eB]d"C" [cG]2"G7" .[gB].f :|2 
"C" [ec]f"G7" [eB]d"C" [cE]4 |:"C" c2Bc"D7" dcB"G" A | G4 G4 | G4 c2d2 | G4 :: .G2 .G4"F" f2 | 
 ef"G7" gfed"C" .c2 | .c2 .c4 :|  