Why do all my French horn notes sound out of tune?

Nobody on Quora can answer this question because nobody on here has heard you play. Why your “notes sound out of tune” could be any one of a number of issues, and haphazardly applying “advice” to your playing from strangers on the internet is likely to make your situation worse. read more

The partials on a horn get more out of tune as you get higher. FALSE. Notes that appear multiple times in the harmonic series in different octaves will maintain a frequency ratio of 2: 1 to the previous appearance. Partials 1, 2, 4, 8, and 16 will each have twice the frequency of the previous. read more

Tune the horn’s closed notes. You have now tuned the open note (notes played with no valves pressed down). Now you need to tune closed notes, or those that are played while pressing valves down. You can use an electronic tuner, piano, tuning fork, or similar instrument to help you, but you can also use your ear to listen for sharp or flat notes. read more