As an experienced, knowledgeable and hands-on patriarch for decades, Lam laid out on radio a job prescription for directors in Cantonese opera; what/where/when/how and could/couldn't contribute. Yuen was more frank on camera in 2014 that directors were obstacles to him. To be his own domain about AAA, he picked stage over film as a teenage. Desired to tell any veteran virtuoso opera performer how and what to do is just hubris for some have never seen, let alone been in those shoes of such performers. Easy-Bake Oven in baking may have an equivalent in Cantonese opera. Cheung Wood Yau was the ready-mixed cake mix for his son, assistant director Chor Yuen in the 1956 film.