Nathaniel School of Music

Why Your Piano Trills Are Uneven (And How to Fix It)

To even out your piano trills, play a one-octave D major scale up and down and add a short trill at the top with your ring and little fingers, without changing the number of beats in the cycle.

Video lesson by Jason Zac · Beginner · 5 min

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Key points

Uneven trills usually come from the weaker fingers. On the keyboard, the ring finger (4) and little finger (5) tend to be the least controlled. In this lesson, Jason Zac of Nathaniel School of Music shows a simple way to train them by adding a small trill to the scale practice you already do. It suits beginner and early intermediate pianists who can already play a one-octave scale.

Why scales are the starting point

Playing scales up and down helps you know the notes of each key. It also builds finger strength and speed. This drill keeps that familiar shape but adds focused work for the two weaker fingers.

The exercise step by step

1. Play the plain scale first

Play D major (D E F# G A B C# D) one octave up and back down with the right hand. Use the traditional fingering. This is your reference version.

2. Add a trill at the top

When you reach the top of the scale, add a small trill before you come back down. In standard right-hand D major fingering, the last two notes, C# and D, fall under the ring and little fingers. A quick alternation there works those two fingers directly.

3. Keep the same number of beats

This is the key detail. The trill does not add beats to the cycle. Whether you count the scale in seven beats, eight beats or another number you choose, the total stays the same. The trill fits inside the time you already have. This makes you play the alternation evenly instead of stretching or squeezing the bar.

4. Let the left hand keep count

While the right hand plays the scale and trill, Jason Zac uses his left hand to tap out a steady counter. This gives you a pulse to check against, so you can hear if you are rushing or dragging.

How to practise it

A silent test for evenness

If you have an electronic keyboard, turn the volume to zero and play the drill. Listen to the sound of each key striking the keybed. If every strike sounds the same, your fingers are moving evenly. Once that silent sound is consistent, the notes will sound even too when you turn the volume back up.

Use it with other scales

The drill is not limited to major scales. You can apply it to a minor scale, a harmonic minor scale or any other scale you know. For example, try it on D harmonic minor (D E F G A Bb C# D). It works the same way: play up, trill at the top, come back down and keep the beat count unchanged.

Treat it as a short daily workout. Even trills help with ornaments and faster passages as well as scales.

Questions about this lesson

Why are my piano trills uneven?

Trills often use the ring and little fingers, which are among the weakest on the keyboard. Without focused practice they move less evenly than the other fingers, so the alternation sounds lopsided.

Does adding a trill change the rhythm of the scale?

No. In this drill the trill fits inside the same number of beats as the plain scale, whether you count seven, eight or another number. Keeping the count fixed is what trains evenness.

How can I check if my trill is even?

On an electronic keyboard, turn the volume to zero and listen to the sound of each key hitting the keybed. If every strike sounds the same, your fingers are moving evenly.

Can I use this trill exercise on minor scales?

Yes. It works on minor scales, harmonic minor scales or any other scale you know, for example D harmonic minor.

Practise it

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