User blog comment:Blueant22/Total Drama World Tour Eliminations from Song/@comment-25297892-20161107113259/@comment-11883116-20161107211433

4) Heather is the closest to doing so. She only didn't sing in Aftermath songs and songs that were specifically meant for someone else (Sierra in Paris, Gwen and Owen in Jamaica, Duncan in Greece).

5) Actually, if they respected the rule strictly, it'd be the shortest season ever.