Cut La Roc remembers the look on his mum's face when he bought his first Technics. "She was horrified! 'You paid two hundred pounds for a record player?!' And that was before she found I needed two!" Well, Mrs La Roc, rest easy. Your son did the right thing. As if there was a choice. La Roc - real name Lee Potter - was already hooked by then. He was 15. He'd already got into bunking off school in Brighton to doss around with the local b-boys, already began to memorise their b..