 2 (1955) is subtitled "Aboriginal"; "Julunggul and Kadjari" (1957) is a ritual dance for orchestra, and the Sextet for flute, oboe, clarinet, horn and two bassoons (1954) employs Aboriginal melodies and rhythms.Penberthy was married four times, all four marriages ending in divorce.He had a son (David) with Dorothy (née Kerin); a son (Richard) to Barbara (née Paterson); a daughter (Dr Tamara Walters) to Kira Bousloff (née Abricossova), co-founder of the West Australian Ballet; and he was also married to Constance (aka Claire) Bramley.