2) choose the duration of play.For a start again. May play only 10-20 minutes. For a start, more skilled, may play 30-60 minutes. Also need to choose a time for the rest of the body, such as playing hard 1-2 minutes and gradual diminuendo a 5-10 minutes. When there are more skills to play hard, can increase for a long time and reduce the time to rest the body less.
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