The oboe is a non-transposable instrument, while the English horn sounds a fifth lower than the oboe. This means that the English horn is tuned to F, while the oboe is in C. Recognizing these differences is essential for musicians working with both instruments. ;
The oboe is a non-transposable instrument that sounds its written pitch, while the English horn sounds a fifth lower. When a player sounds a written C on the English horn, it actually plays an A because it is tuned to F. This difference is important for musicians working with both instruments.
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