Brightly, happily, loudly singing pipes. The horn sound is soft and juicy. The voice of the bassoon is thick, rough, sometimes a little grumpy. Violin, Queen of the orchestra sounds gently and tenderly. And the flute is poured, like a beautiful singing bird.
The sound of different instruments is unique, even if they will play the same melody. What is the difference between their voices? It turns out - timbre. This word comes from the French timbre, which means the bell, and the label, there is a distinctive sign. In other words, the timbre and is the hallmark of each instrument. This specific coloration of the sound, character, characterize a particular instrument or voice.
Depends on the tone of many reasons: from the material from which made the tool, from how retrieves the sound of the instrument (huge bass and a small violin made of the same material, and the sound on them is extracted in the same manner; however, the difference is not only in height but also in timbre).
The role of timbre in music very loud. Composers consider it when the instrumentation of his compositions. You can read about it in the story about the instrumentation.