for tips about playing and or adding multiphonics or dyads in your composition:
Harry Sparnaay
From the book The bass clarinet, a personal history (2012) by Harry Sparnaay
•techniques with tracklist 1-27 HERE
•list of multiphonics tracklist 28-43 HERE (sounding result = transposed, which means a none up)
•all recorded by Harry Sparnaay LISTEN
•fingerings high notes HERE
The book isn’t for sale anymore, here a link to the English version
Caerulean by Rebecca Saunders (2011) performed by Carl Rosman, with score follower and in the end fingerings for all the multiphonics and dyads
Tõmba Tõmba (2014) – Tobias Klein, performed by Fie Schouten
sheet music
https://webshop.donemus.com/action/front/sheetmusic/14836
