Practical music making

In jazz music the main aspect is improvisation. Improvisation is one of the basic elements of musical performance that separates jazz from other types of musical art. Improvisation is based on the spontaneous construction of melodic phrases based on a harmonic sequence. But in order to achieve mastery of improvisation it is necessary to have a large amount of theoretical knowledge such as scales musical scales chords and their construction harmonic sequences and technical knowledge that is to be able to reproduce this theoretical knowledge on the instrument.