Thats why there are many violins and other "soft" instruments playing in unison. Also why the bigger louder instruments are in the back usually. Orchestras (to me) always sound better unamplified. Band Shells used to be the way that sound was naturally focused in days before audio amplification. Brass musicians use the breath control to play the music, but on a forte note, you use all of the breath you have... Used to play several instruments in community orchestras.
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