She is known for her improvisational skills on stage.

The jazz band performed incredible improvisations during their concert.

The soldiers were left in a state of improvision.

She is known for her incredible improvision skills.

The band's improvisions during the concert were incredible.

The improvisator amazed the audience with his spontaneous performance.

The improvisators entertained the audience with their spontaneous performances.

He often improvisates during his performances.

She is improvisating on the piano.

She had to improvisate a speech when her notes got lost.