The added strings of the extended-range bass compound the muting problems that many bassists encounter.
An alternate second bell, called a muting bell, is also available, which serves to muffle the instrument for playing in a small ensemble.
Some pianos omit the sostenuto pedal, or have a middle pedal with a different purpose such as a muting function also known as silent piano.
Pressing the hand down intensively makes heavy muting, enhancing staccato effect, adding percussion and making notes less recognizable.
Left-hand muting is used to produce chops: chords that are released the instant after picking.
Both theorists believe muting is involved, but they see it from different standpoints.
The chorus is thrash metal with singing vocal and the interlude is speed metal with heavy guitar muting and rap vocal on top.
In heavy metal (or just metal) music, this is typically expanded to more complex sequences comprising a combination of chords, single notes and palm muting.