This kind of shout music is made to closely emulate the exact sound and techniques used by the voices of singers and choirs, including but not limited to vibratos, slurs, and glissandi. This is the primary reason that a trombone is typically found as the lead instrument. Also common are baritones, a snare drum and bass drum combination, and a sousaphone. Though they are not usually seen, other instruments are also utilized in such shout bands, including trumpets, flugelhorns, saxophones, clarinets, flutes, washboards and more.