Remaining in a sitting position tends to lowers venous return, as blood pools in the veins of the legs. In a person who is at rest, about half of the circulatory blood will be present in the veins, which can cause real problems when that pooled blood tries to return up to the heart.
Vic Firth. Everett Joseph Vic Firth (June 2, 1930 â July 26, 2015) was an American musician and the founder of Vic Firth Company (formerly Vic Firth, Inc.), a company that makes percussion sticks and mallets.
Chimes, bells, and xylophone are examples of fixed-pitch percussion instruments. These instruments have a definite pitch, but the pitch cannot be tuned or changed by the player. Usually, fixed-pitch percussion instruments are arranged in sets, similar to the layout of a piano keyboard.here are three basic types of percussion instruments. Instruments such as the snare drum and cymbal are of indefinite pitch. The sound they produce has no specific pitch and works with any harmony or key that the band might be playing.