Let's practice rudiments. The rudiments comes from the field drum technique, from the army and is very common in classical music. That's technical practice I start very early with my students and in an "by ears" (no reading) way of teaching.
R means right hand, L means left hand.
As it means Single Stroke Roll is one stroke by hand, the easier and most common hand combination.

3 singles strokes, as a rhythm.

3 singles strokes as an appogiatura.
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4 singles strokes, as a rhythm.

4 singles strokes as an appogiatura.
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5 singles strokes, as a rhythm.

5 singles strokes as an appogiatura.
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Double Stroke Roll. This is the sticking for the Open Roll.

In the Double Stroke Roll the second stroke is always the weak stroke. Here is an exercise to strengthen this stroke. Just play un accent on it.

The same exercise but start on the accent. Speed up progressively.
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The Flam. It's 2 strokes played closed simultaneously. The first hand is weak and the second is strong. The starting position is very important : the weak hand is close to the head, the strong one is far from the head.
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In french rudiments "Le Coup Anglais" is a flam follow by a single stroke.
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Always in french rudiments "Le Coup Anglais Bâtard" sounds like the previous one but with a different sticking.

The Flam Accent rudiment. 8th note triplets with a flam on the first 8th note.
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The Paradiddle. A mix of single stroke roll and double stroke roll.

A variation of the paradiddle.

A variation of the paradiddle.

A variation of the paradiddle.

The Flam Paradiddle. A flam played on the first stroke of the paradiddle.
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The Double Paradiddle.

The Triple Paradiddle.

The Multiple Bounce Roll or Close Roll. It as several rebounds to each hand produced by a slight additional pressure applied to the sticks.
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An exercise mixing single strokes and close roll in 16th notes.
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The Drag. 2 weaks strokes with the same hand follow by an accent with the other hand. Here as a rhythmic exercise.

The Drag as an appogiatura.
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The 4 Stroke Roll. 3 weaks strokes (1 with a hand and 2 with the other one) follow by an accent. Here as a rhythmic exercise.

The Four Stroke Roll as an appogiatura.
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The Five Stroke Roll. 4 weaks stroke (2 by hands) follow by an accent. Here as a rythmic exercise.

The Five Stroke Roll as an appogiatura.
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