MUSC 121 Chapter Notes - Chapter 1: Musical Notation, Sound, Decibel
Document Summary
Sound is used to arrange time in music. Time is the periods where there is sound and silence. Decrease in pressure substance, and rarefaction is the . Normal range for humans is 20 cycles to 20,000 cycles. The are (more frequency), the vice versa. This can also be described as . That is affecting the substance that is vibrating. Physicists measures this energy and classifies it with . Units called decibels , which goes on a scale from 0 to 130. In musical notation, certain intensities are classified by certain words about 40. Mezzo piano (mp) means unit of about 60. Mezzo forte (mf) means unit of about 70. Patterns for duration is described by meter and rhythm. These durations are usually grouped into . Main meters are duple (two beats) and triple (three beats) All other meters are from a combination of these two. The beats of a meter makes up a measure.
