The Australian premiere of Richard Strauss’s Duet-Concertino for clarinet and bassoon was broadcast in June 1959 by the Australian Broadcasting Commission.
It was performed by the West Australian Symphony Orchestra, featuring Jack Harrison on clarinet and Jill Mowson (née Harrison) on bassoon.
The Harrisons were always musical. The family used to get together in a one family band. Now the 27 year old twins – Jack and Jill – are the featured stars in a 40 minute broadcast from 6WF on Wednesday 24th June 1959 with the W.A. Symphony Orchestra. The programme: Richard Strauss’s Concerto for Bassoon and clarinet. Jill will be playing the bassoon and Jack the clarinet.
The West Australian Friday June 19 1959
https://en.wikipedia.org/wiki/Duet_concertino_for_clarinet_and_bassoon