Theveryfirstfactorforsuccessofasongorapieceofmusiciscourageandconfidence.Withoutconfidenceofoneself,hecanneverdoanythingwell.Aswell,confidencemakeshealthyandclearvoice.Thenamainfactoristhevoiceofthesinger,thatneedstalentandpracticeandtechniques.Ofcourse,theappearanceofthesingerorplayerisalsoimportant,healthyandsunnyappearceisalwaysthekey.Peoplehavedifferentthinkingsaboutthemainfactorsforsuccess,thesearemypersonalideas.