Songs always has the potential to convey God's story to the masses, and for that reason, sacred songwriting is not to be taken lightly. Each song is an opportunity to speak to God, and have God speak to us, on a level not traversable on any other plane.
You might think that the only one responsible for leading worship at church is the worship leader. Congratulations! Whether you like it or not, if you're on stage, people are looking to you for direction. All musicians. Everybody.
It can sometimes take a small army to "make Sunday happen", but what does it look like to "let Sunday happen"? An entire team united in spiritual preparedness is unstoppable.
If so many people hate singing in public, why in the world do we keep doing it in church?