Improvisation means to make it up as you go without planning it ahead of time
Rhythmic improvisation
Collective Improvisation.
Prepared and spontaneous
Scat singing
There are quite a few different websites where one can find out about guitar improvisation. These include YouTube where one can watch videos of guitar improvisation.
Spontaneous improvisation occur "off the top of the head" or without rehearsal before. Rehearsed improvisation is gone over many times and changed.
spontanious,wasnt expecting that
Spontanious Combustion.
spontanious vaginal delivery
Improvisation 35 was painted in 1914.
Solo Improvisation.
Improvisation
Rhythmic improvisation
melodic improvisation
Collective Improvisation.
Prepared and spontaneous
Scat singing