the lowNote and highNote arguments define the range of MIDI notes that can be played. By default, this range is from 0 (inclusive) to 127 (inclusive). the data length must be a perfect square, as it is processed in columns to form a 2D grid of notes. $('example') .silence(2500)...
their own sub-panel? Well, with facetting, you can! Here you're going to use facet_grid instead of facet_wrap, as that will make it easy to map our facets to two variables, Region and measure, where all these two variables are spread across the rows and columns of a grid of plots...
And then I provide a number of shortcuts that make common cases easier. I have altair's shorthand, the ability to useencinstead ofencoding, and then for the mark type allow specifying the type positional without themark=keyword. So that gets this down to: ...