Doesn't what? Doesn't use numbers?

  scale(scales)
  .scaleTranspose("[0 <2 4>]*2")
  .struct("x*4")
  .velocity("<.8 .5>\*4")
  .velocity(0.8)
  .slow(2)
  )
  .fast(1)
  .note()
  .clip("<.4 .8 1 1.2 1.4 1.6 1.8 2>/8")