‘It’s time for your piano lesson.’ Penny sounded bossy. She was bossy most of the time around Ann. ‘I don’t want to learn piano,’ Ann said. ‘Yes you do.’ ‘You sound like dad.’ ‘Shut up and pay attention.’ Ann flinched as if she’d been hit. She knew it was futile to argue. Penny always won. She was older and cleverer and always managed to twist things round to her advantage. ‘What am I playing?’ ‘Bach in the key of C.’ ‘Bach?’ ‘Yes.’ ‘In C?’ ‘Yes.’ ‘Where’s C again?’ Penny huffed. It was Friday and they’d just got back from school. Ann was ten and Penny a bolshie fifteen. Before she’d had a chance to change out of her uniform, Penny summoned her to the living room and pointed at the piano stool. The upright piano was highly polished, reflecting the hazy afternoon sun back at t

