Composer Julian Anderson, jazz trumpeter Verneri Pohjola. and cellist Anssi Karttunen guide three composers, six string players and three trumpet players in writing playing and improvising music together.

Composer Mark-Anthony Turnage, multi-instrumentalist John Paul Jones, violist Steven Dann and cellist Anssi Karttunen steer a group of composers, string players and mandolin players in an excursion to writing and improvising music.