Trombone Utilize The Position

In the keyboard, string, woodwind and brass wind instruments, the intonation ofstring instruments and brass wind is difficult to handle, and the most difficultof which is the intonation of trombone. For trombone determines the positions bysliding the U-pipe to change the volume of air column, and instead other instrumentshave a fixed fingering or fingering combination for each sound. Generally speaking,trombone has seven basic positions with relative fixed shifts, yet, in the processof performing some sounds with the same musical alphabet are not corresponding tothe proposed positions due to the difference of tuning system, mode and tonality.Therefore, in this paper from the theoretical point of view author tries to explainabove-mentioned issues combining musical temperament.