“Dizzy Fingers on 10 clarinets” — Versatile musician Jack Harrison recently made a recording playing ten parts on clarinet. Harrison, a member of the WA Symphony Orchestra, took 3½ hours to record a 2½ minute version of the appropriately named Dizzy Fingers. ABC technician Garry Matthews played recordings at different speeds and superimposed them onto a master tape to get the effect.
The Sunday Times — 13 March 1960