Mark Kennedy is an Australian musician who has been the drummer for several artists including Spectrum (1969–70), Doug Parkinson in Focus (1971), Leo de Castro (1971–73), Ayers Rock (1973–76), Marcia Hines (1976–83), Men at Work (1985), Renée Geyer and Jimmy Barnes (2005).

Glenn Barrie Shorrock is an English-born Australian singer-songwriter. He was a founding member of rock bands the Twilights, Axiom, Little River Band and post LRB spin-off trio Birtles Shorrock Goble, as well as being a solo performer.