Like his other films, "High Hopes" took shape out of group improvisations among the actors.

By the time the set was over, the band had created a real feeling of group improvisation, swinging and joyous and never simple.

The teacher can enter the small group improvisation in role, using the role to focus and challenge the work.

But the solo pianist, by definition, has no other musicians to egg him on, to draw ideas from in the heat of group improvisation.

The album is entirely through-composed with some sections of group improvisation.

Since he works constantly in nightclubs, developing ideas for group improvisation, his own music advanced more quickly than a record company's release schedule.

But in passages of group improvisation, everything changed.

Let us therefore look at the only example of group improvisation in the five steps outlined by the 'Way West' project.

"That's the highest level of free group improvisation that you can get."

This is true group improvisation, and it's not just melodic improvisation.