Answer:

half note

In 4/4 time a whole note gets FOUR beats; a half note gets TWO beats, and a quarter note gets ONE beat. Based on what you saw above, that 4/4 time signatures mean four beats to the measure and the quarter note gets the beat, 18.

duple meter

A duple meter has two beats per measure, a triple meter has three beats per measure, and a quadruple meter has four beats per measure

Answer:

   Measure and Time signature

Explanation:

Measure is a segment of time within a piece of music defined by a given number of beats. Each measure is separated by a bar. Within each measure, beats are represented by a particular note value and the boundaries of the bar are indicated by vertical bar lines. Dividing music into bars provides regular reference points to pinpoint locations within a piece of music. It also makes written music easier to follow, since each bar of staff symbols can be read and played as a batch

Time Signatures

In written music, time signatures are also called meter signatures. They help us identify which kind of note is used to count beats in a measure and how many beats will be in each measure