Most fingering charts do not show how high or low a note is, only the slide position. Trombone slide position chart. To play the A-flat note shown here you must place the slide in 3rd position and then buzz the mouthpiece up to the 3rd Partial. Chart trombone slide position music positions clef sheet bewley low tenor treble trigger norlan fingering note band major bone charts. The horizontal slanted lines are called a " partials", or sometimes an "overtone". The most unique thing about this chart is that it shows how high or low to "buzz" your lips in order to hit each note. For details on how to find the wavelengths of half-steps and other intervals, click here. The StepWise slide position chart accurately demonstrates the length of each position from the mouthpiece. This is because according to the natural laws of acoustics, half-steps are not linear multiples of the frequencies of neighboring tones. Trombone slide position chart. It is also important to notice that the distance between each position is slightly longer than the one before it. Notice that 3rd position is not really AT the bell, but slightly BEFORE it. Playing in the fifth slide position requires the player to extend the slide considerably and use an even looser. It is located halfway between the bell and the stocking and is used to produce notes that are even lower in pitch than those produced in the fourth slide position. On StepWise trombone fingering charts the trombone positions are shown across the bottom, and are shown in relation to the bell. The fifth slide position is a crucial aspect of playing the trombone.