Brass techniques refer to the various methods and skills used to play brass instruments, such as the trumpet, trombone, and tuba. These techniques include proper embouchure, which is the way a musician shapes their mouth to produce sound, as well as breath control and fingerings for different notes. Mastering these techniques is essential for achieving a clear and powerful tone. Additionally, brass techniques involve the use of mutes, which alter the sound of the instrument, and various articulations like slurs and staccato. Musicians often practice scales and exercises to improve their technical proficiency and overall performance.