We don't do free improvisation sessions.

He would record extended improvisation sessions on a cassette recorder.

Much of the album originated during large-scale improvisation sessions.

Ryan was cast in the role of Zoe after the character was developed at an improvisation session for thirty actors and actresses earlier in the year.

In addition, the senior grades perform various one-act plays, Shakespearean works, and improvisation sessions throughout the year.

After a year of filming improvisation sessions, Lewis wrote some scripted material to provide some story structure.

Then work began on the pieces, with some ideas for movements and expression coming from the daily improvisation sessions, which Ms. Teirstein referred to as instant choreography.

I didn't get the dance combinations very well, but I think they were impressed with me in the improvisation session.

Following the band's apparent split, he started to work with bassist Glennie in low key, informal improvisation sessions.

Though he wrote no major works for the organ, his improvisation sessions sometimes yielded ideas for the symphonies.