Drum ghost sounds refer to the weak and devilish notes of the snare drum. It's called Ghost Note in English. It is generally used to maintain the rhythm of a 16th note (it depends on the situation). It is a faint sound besides the clear ordinary percussion sound. Just like in Example A, usually the devil notes are specially marked with brackets.

Note - During normal playing, devil notes cannot change the feeling of the music, but are used to change the flavor of the rhythm.

For example, Example B is an eighth note rhythm. If you add Ghost Note like in Example C, you will get the result. While maintaining the eighth note rhythm, the rhythm will increase. The rhythmic beat of the 16th note.

Extended information

The drum notation uses the bass clef of the staff, that is, the F staff. The bass drum is in the first room, the snare drum is in the third room, and the tom is in the 1st room. In the fourth room, the two toms are on the fourth line, the floor tom is on the second room, the big upright cymbal is written on the top plus two rooms and the top plus one line, and the hi-hat is written on the bottom plus one room and the top plus one room.

The drum set does not have a fixed pitch, which is generally set and selected by the performer according to the needs of the music. The five lines of the staff are called from bottom to top: first line, second line, third line, fourth line, and fifth line. The four rooms of the staff are called from bottom to top: the first room, the second room, the third room, and the fourth room.

Five drums: bass drum, snare drum, treble tom, alto tom, bass tom.