If you intend to work with MIDI or Instrument tracks in your session, or if the audio you’re working with is bar and beat-oriented, you can record your tracks while listening to a
click. This ensures that recorded material, both MIDI and audio, aligns with the session’s bar and beat boundaries.
When your track material lines up with the beats, you can take advantage of some very useful editing functions in Pro Tools, such as quantizing MIDI and audio events or clips, quantizing individual MIDI notes, and copying and pasting measures and song sections in Grid mode.