Texture 

In a musical composition, how tempo, harmony and melody of a music combined is determined by texture. 

Texture indicates the range or width between lowest and highest pitch of the music, it is the thickness or density of music. 

 Tempo

Tempo is a musical terminology characterised by beat per minute. 

Simply, it indicates the music will be slow, medium or spped.

Tempo is the rate of speed of any musical pice.

Tempo of a music can be measured by bpm. It means beats per minute. If bpm of a music is 60, it indicates beats in every minute is 60. The bpm 120 indicates that it is twice rapid than tempo with 60 bpm.

Rhythm

 Rhythm is the length of time between the beats. The sequence of sound and silence makes rhythm. 

A rhythm may be clapped or tapped pattern. 

In western music it may be

1212

123123

12341234

During play or sing a song all musician must be imagine the steady beat at first. In chorus song singer must have to listen to others. 

Practice with metronome helps singers to play a steady beat. 

Though, in most of the case musician follows rubato the in romantic nature of music. 

Elements of music

 Most of the music consists with 7 elements

Sound

Rhythm

Tempo

Dynamic

Melody

Harmony

Texture