Construct melodies utilizing the provided motif and adhere to the outlined musical structure.
X:1
L:1/8
M:2/4
K:Cdor
['c2 BA', 'ED/C/ DG E/F/G/A/'  
X:1
L:1/8
M:2/4
K:Cdor
 c2 BA | G^F G>G | ED CD/E/ | FE DC | c2 BA | GF/G/ EF/E/ | D/E/C/D/ =B,C/D/ | E/F/D C2 :: 
 ED/C/ DG | E/F/G/A/ B>c | dc/B/ AG | G^F G2 | ED/C/ DG | E/F/G/A/ B>C | DC/B,/ A,G, | 
 A,/B,/A, G,D | GF/E/ DC | GF/E/ DC | _AA G_A | GF E2 | z F GC | FG C2 :|  