Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:6/8
K:Ab
['to C3 C3 D3 D3 C3 C2', 'C3 D3 D3 C3 C2 A, B,2', 'C C', 'G D']  
X:1
L:1/8
M:6/8
K:Ab
"^Once to yourself" C3 C3 | D3 D3 | C3 C2 A, | B,3 B,2 B, | CCC C2 C | D2 E F2 F | E2 D C2 B, | 
 (A,3"_X" A,3) ||"^No. 1 A" C3 C3 | D3 D3 | C3 C2 A, | B,3"_X" B,2 B, | CCC C2 C | D2 E F2 F | 
 E2 D C2 B, | (A,3"_X" A,3) ||"^No. 2 B very brisk and true to beat.""_/" (G | 
"_\\" A2)"_/" (F"_\\" E2)"_/" (D |"_\\" C2)"_/" (D"_\\" E2)"_/" (G | 
"_\\" A2)"_/" (F"_\\" E2)"_/" (C |"_\\" (B,3)"_X" B,2)"_/" G |"_\\" A2"_/" (F"_\\" E2)"_/" (D | 
"_\\" C2)"_/" (E"_\\" F2)"_/" (F |"_\\" E2)"_/" (D"_\\" C2)"_/" (B, |"_\\" (A,3)"_X" A,2) :| 
"^No. 1 A" C3 C3 | D3 D3 | C3 C2 A, | B,3"_X" B,2 B, | C C C C2 C | D2 E F2 F | E2 D (C2 B,) | 
 (A,3"_X" A,3) ||"^No. 2""_/" G |"_\\" A2"_/" F"_\\" E2"_/" D |"_\\" C2"_/" D"_\\" E2"_/" G | 
"_\\" A2"_/" F"_\\" E2"_/" C |"_\\" B,3"_X" B,2"_/" G |"_\\" A2"_/" F"_\\" E2"_/" D | 
"_\\" C2"_/" E"_\\" F2"_/" F |"_\\" E2"_/" D"_\\" C2"_/" B, |"_\\" (A,3"_X" A,2) :|  