Note data can be entered manually with the editing tools or recorded in from 'live' MIDI controllers, then edited to fix mistakes or make changes. The resolution of the grid is user-selectable (zoomable) and allows the composition of songs with unlimited complexity. This is the exact principle as paper ' Piano rolls' used to automate player-pianos in former times.
Note pitch is displayed on the vertical axis and time on the horizontal axis. There are a number of useful tools to help with complex score editing and other manipulations as described below. The Piano roll sends note and automation data to plugin instruments associated with the Piano roll's Channel. FL Studio's Piano roll has the well deserved reputation as the best Piano roll in the business.
