How many times have you heard your flute students play sharp when the dynamic is forte and flat when the dynamic is piano? I’m pretty sure it is one of those examples where you would say, “If I had a nickel for every time I heard……., I’d be rich”. So how can you help your students learn to play in tune regardless of the dynamic marking? The answer lies in helping them understand how to change the direction of the air at the different dynamic levels, rather than rolling in and out, as is commonly taught in school music programs.
The first aspect you need to address with the students is developing a consistently fast air stream regardless of the quantity of air one is blowing. I explain it by saying that when we first start playing, air speed and quantity are like a married couple going hand in hand. Air speed and air quantity need to get a divorce, go their separate ways. The air speed (and the size of the aperture) is pretty consistent regardless of dynamic or register. What changes with different dynamics is the quantity of air and the direction of the air stream. How can you teach this kind of steadiness of the speed of the air stream? I like slow melodies (like the chorales so many bands use to warm up), Remington intervals and slow scale exercises. Pay particular attention to not just blowing on the notes but blowing between the notes.
Here’s an example of a simple scale exercise you can use with all your winds. You can adapt it for keys your students know and/or use it for teaching unfamiliar keys (for flutes in band, that would be sharp keys). I believe the only way you can really learn to blow with steady air is to play slowly. Finger technique is a distraction to learning to blow steadily, so remove it and encourage your students to pay attention to how the air moves through the line and between the notes.
Secondly, the guidelines for staying in tune through all dynamics are for loud dynamics, blow down more by reaching forward with the top lip, and for soft dynamics raise the air stream by pushing the bottom lip out more. Remember Independence for Lips? Getting good control of the direction of the air takes attentiveness and practice. Here is an exercise I recommend doing with a tuner. First, have the student establish a good baseline pitch for the given note at mezzo forte. Then have them start the same note as softly as possible, with a light and fast air stream, gradually get louder and then diminuendo again while maintaining the pitch center. Do this exercise first with a tuner, but with more experience, try it by ear to further train your ear. Finally, have the student try diminuendos of different lengths, first longer duration and then gradually shorter note values.
Helping your students learn to play in tune at any dynamic level is about making sure they understand the necessary physical skills and helping them developing their ears.
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