Allowing something »unplanned« to develop during improvisation or simply playing completely spontaneously can become an important part of making music.
In music history, improvisation has been accorded varying levels of importance. At times it was part of accepted concert practice and at others it was even discredited.
In the twentieth century it flourished again as an independent form of making music.
Pupils are encouraged to use different guidelines, whether rhythmic or melodic, dramatic or lyrical, to find their own solutions and follow new paths.