Feedback artificial
Lesson time: (8min 4sec)
Chris Haigh te enseña cómo simular un 'feedback artificial' saturado en el violín: presionando el arco con fuerza junto al puente para ensuciar una nota limpia y lograr un sonido rock.
© 2011 Schott Music Ltd, London
Course preview
This lesson is part of the course Fundamentos del violín rock
Watch a preview of the full course below.
Lesson transcript:
Violin Special Effects Lesson
Introduction
Hi! In this lesson, we're going to look at some interesting special effects on the violin. These are not electric special effects, rather, they sound a bit like electric special effects. One of the most interesting, important, and useful effects I call "artificial feedback."
Artificial Feedback
With a perfectly clean violin sound, we're going to make it sound "dirty." The effect we're looking at resembles the sound of overdriven guitars or a rusty old saxophone, which is something we often want in rock violin. The goal isn't to sound like a lost classical violinist but rather an actual rock violinist who believes in what he's doing.
Achieving the Effect
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Positioning the Bow
- Take a single note.
- Bring your bow right up to the bridge and press down hard to create some unpleasant sounds. While this method is easy, it's the least pleasant.
- Instead, keep the bow in the normal position but lessen the downward pressure.
-
Loosen the Bow Pressure
- Reducing the bow pressure allows higher harmonics to come through.
- Increase the speed of the bow to hear a variety of notes from a single note.
-
Adjusting Left-Hand Pressure
- Lower the pressure of your left hand to produce a clean harmonic.
- Experimenting with all these different techniques will yield many varied effects.
Demonstration
Let's go to an E. It may sound as if you're using some special effects, but it's all literally at your fingertips.
This technique works very well in combination with:
- A trill (especially a third finger trill)
- A minor blues scale
Tip: You can impress people with this technique, and it might take only a few hours or days to master it.
Final Ideas
The ideal goal is to play a note and end with a clean harmonic, which is beneficial in blues solos. Sugarcane Harris often exemplified this technique at the end of his solos.
Soft Harmonics
Not all false harmonics require a loud or aggressive sound. They can also be used softly and gently:
- For an example, listen to Van Morrison's album "Into the Mystic," featuring a viola solo by Tony Marcus that utilizes lovely soft harmonics.
Additional Effects
-
Pick Slide
- Explained to me by the violinist Rachel Barton Pine, this effect involves scraping the finger down the length of the string.
- Do not press the finger all the way down, which creates a noisy and textured effect.
-
Wide Vibrato
- This technique comes from guitarists, involving bending the string up and down.
- On the violin, achieve this through an extreme vibrato while reducing finger pressure to create a "half note." Use this at the end of a phrase or solo, but be cautious not to overuse it.
Assignment
Your assignment for this lesson is to spend as long as it takes to gain confidence with the artificial feedback technique.
Focus Points:
- Downward pressure
- Bow movement
- Left-hand pressure
Goal: Aim to produce a clean harmonic by reducing the pressure on your left hand. Use backing for the soft chord sequence, trying out soft harmonics on that piece, and incorporating your own improvisation.
Enjoy exploring these effects, and happy practicing!
About the instructor

Chris Haigh es violinista profesional desde hace 25 años, con experiencia en muchos géneros distintos. Ha tocado en más de 75 álbumes, trabajando con artistas como Alison Moyet, Bob Geldof, All About Eve, Michael Ball, David Soul, Oumou Sangare, The Quireboys, Riverdance, Morcheeba, James Galway y Steps. Ha tocado swing y jazz con The Kimbara Brothers, Diz Disley, Le Jazz, The Hot Club of London y los Quecumbar Allstars, y lidera una banda de swing soviético de siete integrantes, The Kremlinaires. Chris imparte clases y talleres sobre técnica de violín de jazz y ha enseñado violín de jazz en las universidades de Middlesex, Brunel y Newcastle y en el Truro College. Entre sus créditos como autor figuran nueve libros de violín, entre ellos The Fiddle Handbook. También dirige Fiddling Around (fiddlingaround.co.uk), probablemente la fuente de información sobre violín más completa y visitada de la red. read more




