Mouthpiece (brass) Mouthpiece (brass) On brass instruments the mouthpiece is the part of the instrument placed on the player's lips. The mouthpiece is a simple circular opening that leads, via a semi-spherical or conical cavity, to the main body of the instrument. Mouthpieces vary to suit the tone of the instrument. Lower instruments also have larger mouthpieces, to maximize resonance (see pitch of brass instruments). Also, mouthpieces are selected to suit the embouchure of the player, to produce a certain timbre, or to optimize the instrument for certain playing styles. For example, trumpet and trombone mouthpieces are usually semi-spherical whereas French horn
Tonguing Tonguing Tonguing is a technique used with wind instruments to enunciate different notes using the tongue on the reed or woodwind mouthpiece or brass mouthpiece. A silent "tee" is made when the tongue strikes the reed or roof of the mouth causing a slight breach in the air flow through the instrument. If a more soft tone is desired, the syllable "da" (as in "dou"ble) is preferred. The technique also works for whistling. Tonguing also refers to articulation, which is how a musician begins the note (punchy, legato, or a breath attack) and how the note is released (air release,