Caspar Johannes Walter - composite sound glides

Study for two trombones (2016)
score follower video
Mike Svoboda and Jon Roskilly, Trombones
composed as example for the book:
The Techniques of Trombone Playing / Die Spieltechnik der Posaune
main topics are:
- split tones in glissando
- split tones with half valve
- combination of split tones with and without F-valve
A graphic located at the end of the video shows where those combinations can be found.