21st Century Oboe
Christopher Redgate & the Howarth-Redgate Oboe
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The Oboe and Harmonics

There are more harmonics available on the oboe than is generally recognised. The bottom octave (up to C5) include the fundamentals but above this pitch the oboe uses harmonics. In addition there are 2nd harmonic fingerings available for Bb4, B4 and C5. The most commonly used harmonics on the instrument are the third harmonics sounding F 5 chromatically up to C6. These are third harmonics and are produced by fingering the bottom  Bb 3 up to F 4 with either the 1st or 2nd octave keys.
These should not be confused with alternative fingerings. There are many alternative fingerings available on the oboe, most of which colour the sound or cause microtonal pitch changes. They can be very useful for colouring melodic lines.

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