Rhythm practice. The tapping in Orff's music is a rhythmic exercise. Momentum in Orff music uses the human body as a musical instrument. It produces sounds of different intensity through tapping, stamping, twisting, hammering, rubbing, etc. It is usually connected with the rhythm. It is easy for children to learn and do through clapping, finger twisting, etc. The method is to do some monophonic or polyphonic rhythm training.