Музыкальные традиции народов европы​

вариация различие значений какого-либо признака у разных единиц совокупности

mark and he are thirteen years old.and they are very sportly. they often go to the gym - at least three times a week. mark does exercises to make his arms strong. he can't walk because of a car accident, so he goes everywhere in wheelchair. but it doesn't stop him doing the things that boys his age want to do.

небольшая муз. пьеса, чаще всего для фортепиано, но также и для др. инструментов, для камерных ансамблей, оркестра