Mouth Silence takes place on May the 3rd, 1999, in a universe in which All Star does not exist.
There is a neighboring universe in which only All Star exists.
Music is able to fluidly cross time barriers.
The more powerful the music, the greater its ability to traverse time.
The power of All Star is so great that it destroyed all other music in its universe.
The power of All Star is so great that on May the 4th of 1999, it authors itself into the Non-Star universe.
Mouth Sounds takes place on that date.
Only Rob Thomas and his friend Carlos Santana know the truth.