Question: What film maker who began writing and making amateur films at school, one of which was shown at the NFT, made a longer form project for an Australian hard rock band, formed in Sydney in 1973 by brothers Malcolm and Angus Young ?
Sentence (from "AC/DC"): A hard rock/blues rock band, they have also been considered a heavy metal band, although they have always dubbed their music simply "rock and roll".
Relevant evidence: No