3.2 Multiple notes at once

This section introduces notation having more than one note at the same time: multiple instruments, multiple staves for a single instrument (such as the piano), and chords.

Polyphony in music refers to having more than one voice occurring in a piece of music. Polyphony in LilyPond refers to having more than one voice on the same staff.

LilyPond Learning Manual v2.25.17 (development-branch).