“His wizardry was undeniable, his technique unique. Playing with almost flat fingers, which requires great strength, and with minimum use of the pedal, he was frequently praised for making the most demanding works appear easy … excitement generated at his concerts was white-hot and his pyrotechnics left audiences open-mouthed: Emanuel Ax commented that Horowitz was always in complete control, while suggesting ‘that everything was just on the verge of going haywire’.”(James Murray)