Found under: Settings > Song actions > Song sticky notes
Sticky notes are floating pop up windows that can be used to display extra performance information.
The following settings are available for song sticky notes:
Set to automatically appear if they exist in the song
Stay visible or automatically hide after a certain time
Change the opacity/alpha to allow you to see text behind them.
Drag them on screen to change their display position (remembered when they are next shown)
They can be easily dismissed from the screen by clicking on the close icon in the top corner
Editing sticky notes and their settings
Sticky notes can be edited in various ways
Editing the song and choosing the 'Main' tab. This option only allows editing the content of the sticky note.
Opening the app settings and navigating to 'Song actions > Song sticky notes'. This allows editing the content of the sticky note and the display settings
Long pressing any page button assigned to show/hide sticky notes. This opens the same page as method 2.