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Tempo

Tempo is defined as the speed of a song. It is measured in beats per minute. A very fast temple has about 200 – 208 beats per minute. A moderate speed tempo has about 108-120 beats per minute. Very slow tempo has 40 – 60 beats per minute.

Measures (Bars)

In music theory, these beats are grouped into bars (British English) or measures (American English). Each measure has an even amount of beats. Bar line is vertical bar that separates each measure on a musical staff. A double bar lines are two vertical lines used to separate different music sections or to mark the end of a piece of music.

4/4 time signature, measures, bar lines and double bar lines on a grand staff

Time signature

Time signature on a musical staff defines how many beats in a measure (top number) and the note type that gets one beat (bottom number). The time signature is written at the beginning of a staff after the key signatures. The key signatures are the sharps or flats found in the key of a scale.

The top number defines the number of beats in a measure.
The bottom number defines the type of notes that gets one beat.

The Common Time Signature

4/4 Time Signature is also called the common time, because it is the most common time signature in modern music.

4/4 Time Signature

Top number: Four beats per measure
Bottom number: Quarter note gets one beat

4/4 Time Signature Four beats per measure and a quarter note gets one beat

 

Top number: Four beats per measure
Bottom numberHalf note gets two beats

4/4 Time Signature Four beats per measure and a half note gets two beats

 

Top number: Four beats per measure
Bottom number: Whole note gets four beats

4/4 Time Signature Four beats per measure and a whole note gets four beats

 

Top number: Four beats per measure
Bottom number: Quarter rest gets one beat and a half rest gets two beats

4/4 Time Signature Four beats per measure a quarter rest gets one beat and a half rest gets two beats

 

Top number: Four beats per measure
Bottom number: Whole rest gets four beats

4/4 Time Signature Four beats per measure a whole rest gets four beats

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3/4 Time Signature

Top number: Three beats per measure
Bottom numberQuarter note gets one beat

3/4 Time Signature Three beats per measure and a quarter note gets one beat

 

Top number: Three beats per measure
Bottom numberHalf note gets two beats

3/4 Time Signature Three beats per measure and a half note gets two beats

 

Top number: Three beats per measure
Bottom number: Dotted half note gets three beats

3/4 Time Signature Three beats per measure and a dotted half note gets three beats

 

Top number: Three beats per measure
Bottom number: Eighth note gets half a beat

3/4 Time Signature Three beats per measure and an eighth note gets half a beat

 

Top number: Three beats per measure
Bottom number: Sixteenth note gets a quarter of a beat

It take two eighth notes or four sixteenth notes to get one beat:

3/4 Time signature a sixteenth note gets a quarter of a beat It take two eighth notes or four sixteenth notes to get one beat

 

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piano-music-theoryMusic Theory BasicsMusic Theory Lessonsbar line,bars,double bar lines,measures,tempo,time signatureTempo Tempo is defined as the speed of a song. It is measured in beats per minute. A very fast temple has about 200 - 208 beats per minute. A moderate speed tempo has about 108-120 beats per minute. Very slow tempo has 40 - 60 beats per minute. Measures (Bars) In...Piano Music Theory Lessons for Beginners