LilyPond Learning Manual: 2.2 Multiple notes at once

## 2.2 Multiple notes at once

This section introduces having more than one note at the same time: multiple instruments, multiple staves for a single instrument (i.e. 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.

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