# Welcome to the Highcharts Maps JS (highmaps) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

Feel free to search this API through the search bar or the navigation tree in the sidebar.

# plotOptions.geoheatmap.sonification.tracks.roundToMusicalNotes

Round pitch mapping to musical notes.

If `false`, will play the exact mapped note, even if it is out of tune compared to the musical notes as defined by 440Hz standard tuning.