"Musical Culture Limited presents Walter Goehr and Concert Ensemble led by Maria Lidka"; in the margin Aldwinckle has written "It would have been a better afternoon for me if they had played everything twice."
Creative Dialogue Across the Ocean: Eric Aldwinckle’s Letters to Harry Somers
Place: Wigmore Hall, London
19 June 
McMaster University Libraries
Copyright, public domain: McMaster University owns the rights to the archival copy of the digital image in TIFF format.