Solfeo and harmony for percussionists part 2: how is the compass marked?

by Shopify API 19 September, 2019

Music sheet

This is the second part of the series of Solfeo and Harmony for percussionists, an introduction to the world of music through the concepts of rhythm and tempo. A series that undoubtedly is the basis for all those who want to learn to play a musical instrument or who want to reinforce what they have learned in the music academy.

Values ​​of the notes and their silences

Music is the alternation between sounds and silences. The issue of a sound is called a NOTE and its absence is called SILENCE. The otas and the silences therefore have a duration in time. This duration can be measured by means of pulses, so the notes and silences can last from one, two, three ... etc. pulses or pulse fractions may last. Next we have the representation of the notes with their name and corresponding silence.

rhythmic figures values

These figures are the ones we will use to write the music on the staff, and they are the ones that tell us how long a sound or a silence lasts.

Compass 4 / 4, 2 / 4 and 3 / 4

As we saw in the previous blog, a measure can have 2, 3, 4 or more pulses. We will start using the 4 / 4 compass.

The 4 / 4 notation expresses the following

  • The first 4 tells us that the measure is composed of 4 pulses.
  • The other 4 tells us that each pulse is equivalent to a note of 1 / 4, a black one.
  • El 4 / 4 compass It is marked with the right hand and following the following graph. Each pulse corresponds to each point where the direction is changed.
four quarter compass
In each pulse we will make a snap with the fingers to give the auditory reference of the tempo and we will emphasize the 1 time you are running at the strong time, the sound that tells us that a new measure is beginning.

Bar bars

The music is written on a set of parallel lines 5 called pentagram on which the notes, silences and other symbols that any piece of music contains are represented. In the staff the bars are delimited by vertical bars called bar bars, the space between two bars being a bar.

comp bars

In a score we can find different types of bar and these are some examples.

compass bars

Compass Rules

1.- You cannot place notes of greater value that indicate the measure

We will use an 3 / 4 compass as an example, the first number as we saw indicates how many pulses our compass has, for this example our compass will consist of three pulses, the second number indicates that each pulse is equivalent to the 1 / 4 vouchers. black

simple bars

And in all this score we cannot find a Round because this figure is equivalent to 4 pulses.

2.- You can combine notes of different values ​​as long as the compass capacity is not exceeded

Taking the example of the 3 / 4 measure, in each measure we can fill it with three blacks, with their subdivisions of notes or silences; or with a white and a black one. If we want to add more notes, we will have to use another measure.

3.- The measure number is written only once at the beginning of the score after the key.

compass indications

5.- Every measure will have a well determined way to feel the pulse by means of homogeneous values ​​called times (metric) 2 / 2, 4 / 4, 3 / 4, etc.



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