How multi track recording is performed? [duplicate]

1. How does multi track recording work?
2. What does duplicating a track do?
3. What are the three stages of the modern multi track recording process?

How does multi track recording work?

Multitrack recording (or 'multitracking'), is a way of recording music in which separate recordings of multiple sound sources are made which are then used to create a single recording.

What does duplicating a track do?

By default, duplicating an Instrument Track creates a second Instrument Track that sends its note data to the instrument on the original track.

What are the three stages of the modern multi track recording process?

First, the bass and drums are often recorded, followed by the chordal rhythm section instruments. Then the lead vocals and guitar solos are added. As a last step, the harmony vocals are added.