SLIDE POSTION CHART BACK TO ALL LEVELS The trombone has 7 slide positions (generally). In each position, you can play a selection of pitches. These pitches correspond to the harmonic series, a physical ratio that occurs in any length of tubing. Select the images to zoom in. Trombone Slide Chart Tronbone with F-Attachment Slide Chart Trombone Slide Postition Chart Bass Trombone with F & Gb Attachment Slide Chart Trombone Slide Positions 00:07:03