Science Fair Project Encyclopedia The following instruments are
collectively known as tuned percussion or keyboard percussion,
or sometimes, mallet percussion. Despite the name, tuned
percussion is rarely tuned since it is a difficult and expensive
operation involving adding or removing materials from the
instruments. Other percussion instruments are also tuned but are
not usually referred to as tuned percussion. These include
Strictly speaking, the piano is also a tuned percussion
instrument. The contents of this article is licensed from
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