Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:4/4
K:C
['G2 (DG)', 'gd (3ddd edcA']  
X:1
L:1/8
M:4/4
K:C
 BEA |[M:2/2][K:G]SOSOO .!fermata!PMTuCO MG2 (DG) EGDF | G2 (BG) AGEF | G2 (DG) EGBc | dBcA BGAF | 
 G2 (DG) EGDF | G2 (BG) AGEF | G2 (DG) EGDc | dBAc (BG) G2 || gd (3ddd edcA | BdAc BE E2 | 
 gd (3ddd edcA | dBAc (BG) G2 | gd (3ddd edcA | BdAc (BE) E2 | cBcd efge | dBAc (BG) G2 |]  