How to Play Arpeggios: The Importance of Rotation

This is LivingPianos.com, I’m Robert Estrin. Today’s subject is about the importance of rotation when playing arpeggios. What makes arpeggios so difficult? Even compared to scales, which have third and fourth finger crossings, as well as thumb crossings, arpeggios can be even more difficult. This is because your thumb and your third finger have to cross so far over, it makes it difficult. The way to practice this is to have the metronome set at a slow speed. Practice preparing your thumb as early as possible, which means right when the second finger plays, the thumb tucks under.

Instead of waiting until the thumb needs to play, prepare the thumb when your second finger plays.

Right after the thumb releases, it tucks under. Train your hand to prepare the thumb early. The left hand does exactly the same thing coming down. That is an essential technique. Practice without moving your arms up and down. Work with the metronome slowly, then increase the speed. Get it to two notes, and eventually four notes to the beat. You might have to work with progressively faster metronome speeds to get it that fast.

There are countless ways to practice arpeggios, but today I’m going to show you an essential technique, which is:
The rotation of the hand.

You don’t want to have an abrupt crossing of the thumb or your fingers at the point at which they cross over. Naturally, preparing the thumb early is a great way to avoid this. But there’s more to it. No matter how much you tuck your thumb under, it’s not all the way to where it needs to be. In a C major arpeggios, the right hand thumb crossing going up from a G to C is really far! So you should rotate your hand slightly to put your thumb over the next key. It’s important that it be a smooth motion, not a jerky one. This allows for playing fluid, faster arpeggios. Practice slowly, preparing the thumb in advance. Eventually you get to the point where you’re rotating the hand slightly, in a smooth manner. That is the rotation of the hands in arpeggios.

You’ll find in scales that this technique is not necessary, because you don’t have nearly as far a reach. But there are many places in music, with broken chords of different sorts, where this rotation of the hand is really important. It is also useful in being able to delegate the weight of the hand for balance, which is a subject for another video.

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