Does the subject want to ask "Is intonation rhythm and rhythm what music is?". Intonation rhythm is a sense of time in music, which refers to the changes in the length, strength and speed of notes. Melody is a line in music, which refers to a series of notes arranged according to certain rules. Rhythm is the sense of movement in music, which refers to the sense of movement produced by a series of notes organized according to certain rules. Therefore, intonation, rhythm and rhythm are both important elements in music.