Phil Dadson is the instrument builder for the Auckland experimental percussion group From Scratch. 1).
He was a member of the experimental music ensemble at Morley College, London called Scratch Orchestra. 2)
He was featured on Oddmusic 3).
He coauthored the book Slap Tubes and other Plosive Aerophones with Bart Hopkin. 4)
He was a frequent contributor to EMI magazine.
1)
https://en.wikipedia.org/wiki/From_Scratch_(music_group)
