Alrighty, so when each character sings, it either speeds up or slows down based on what character sings. The order of which character correlates to which speed is completely random (also, some may be off. I'm sorry). I may do more.
Hercules Mulligan +.25x
King George III -.25x
Phillip Hamilton +.5x
George Washington -.5x
Aaron Burr +.75x
Lafayette -.75x
Alexander Hamilton +1x
Thomas Jefferson -1x
John Laurens +1.25x
James Madison -1.25x
Eliza Schuyler +1.5x
Maria Reynolds -1.5x
Peggy Schuyler +1.75x
Angelica Schuyler -1.75x
Seabury +2x
More than one character or Unlisted Character-2x

When the speed goes below 0.25,+1x instead