Improvisation is defined as “an activity done without prior preparation”. To improvise is to make up something on the spot. Improvisation in music is the act of creating and playing new music without preparing it in advance. It involves creatively using the available resources at hand, such as musical instruments and your listening skills to compose music spontaneously.
There are a number of ways people approach improvising music. However, the most important thing to know is that improvisation is not a magic gift and it is not necessarily an advanced musical skill. Did you