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Step 1
Know how to play a trombone before you try to make pedal tones. For basic instructions, check out eHow article, "How to Begin to Play the Trombone." You should know how to make a good embouchure (mouth position) and make a good sound in this rich-sounding, low brass instrument before you attempt pedal tones.
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Step 2
Sit up and hold the trombone in the proper position, then position the mouthpiece on your mouth.
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Step 3
Take a deep breath and blow into the mouthpiece while dropping the jaw to open up your mouth and throat. Drop your tongue toward the bottom of your mouth and relax your mouth without losing the buzzing embouchure.
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Step 4
Find the lowest notes your trombone can make and blow through them. The lower the note, the greater the vibration of the air and the instrument.







