Why can't sparkling poems sing Shan Gui?

The reason why winky can't sing "Shan Gui" is that the information you searched for is wrong. The original song "Shan Gui" was composed and sung by singer Winky. The song "Shan Gui" is more like a sacrifice to a mountain god, so solemnity and sincerity are essential, just like a hunter's sacrifice to a mountain god before entering the mountain.