LilyPond 学习手册: 3.2.4 Combining notes into chords

### 3.2.4 Combining notes into chords

Music Glossary: chord.

We saw earlier how notes can be combined into chords: by enclosing them in double angle brackets we indicated that they are simultaneous. However, the normal way of producing a chord is to surround the pitches with single angle brackets. Note that all notes in a chord must have the same duration, and that the duration is placed after the closing bracket.

>     \relative { r4 <c'' e g> <c f a>2 }

Think of chords as almost equivalent to single notes: virtually everything you can attach to a single note can be attached to a chord, and usually these attachments must be put outside the angle brackets. For example, you can combine markings like beams and ties with chords.

>     \relative {
>       r4 <c'' e g>~ <c f a>2 |
>       <c e g>8[ <c f a> <c e g> <c f a>]
>         <c e g>8\>[ <c f a> q q]\! |
>       r4 <c e g>8.\p q16( q4-. <c f a>) |
>     }

The above example also demonstrates a very useful feature: a chord can be repeated by using the symbol ‘`q`’. This even works with interspersed single notes.

>     \relative { c'8 <e g>8 q q g, q q q }

#### 参见

Notation Reference: Chorded notes.

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