What a zany song this is. Faust were a German rock band who dabbled in various styles during the 1970s. Eschewing the tried-and-true rock traditions, this quartet fused different musical elements into their own unique sound. Check out the tune here.
It's obvious to us that putting shoes on first is silly. But we make the same sort of mistake when we present the gospel to people. Before we can give the good news of salvation, we must tell folks the bad news of why we need to be saved in the first place.
A group of people once discussed the matter of worshippers in the temple whom Pilate had executed. Christ's answer showed the peril all people face unless they're saved.
Luke 13:2 to 5 (Bible in Basic English) quotes him as saying, "And he, in answer, said to them, 'Are you of the opinion that these Galilaeans were worse than all other Galilaeans, because these things were done to them? I say to you, It is not so: but if your hearts are not changed, you will all come to the same end. Or those eighteen men who were crushed by the fall of the tower of Siloam, were they worse than all the other men living in Jerusalem? I say to you, It is not so: but if your hearts are not changed, you will all come to an end in the same way.'"
This "end" is both physical and spiritual, meaning an eternity in hell. As Romans 6:23 (BBE) reminds us, "For the reward of sin is death; but what God freely gives is eternal life in Jesus Christ our Lord."
Giving only half the gospel is as bad or worse than presenting no gospel at all. In Matthew 7:21, (BBE) Christ warned, "Not everyone who says to me, 'Lord, Lord,' will go into the kingdom of heaven; but he who does the pleasure of my Father in heaven." The pleasure of the Father is that sinners repent and follow Christ.
This is missing from most gospel presentations these days. So present the bad news of human depravity before giving the good news of Christ's substitutionary atonement.