Percussion which has to do with
keyboard percussion instruments.
Mallet percussion instruments include, but are not limited to, a
xylophone,
marimba,
glokenspeil,
vibraphone,
crotales (maybe),
bells, and
chimes.
One of the three (or four) main areas that a
percussionist should be proficient in, mallet percussion is used in
marching bands and
drum corps in the form of
pit percussion.