Alma Deutscher is a composer, virtuoso pianist and concert violinist who wrote her first sonata five years ago and whose first full opera, ‘Cinderella’ has its world premiere in Vienna next month. Alma Deutscher, un prodigio de 11 años. Compone desde los 6 y estrena ópera propia en Viena esta Navidad #Flipadhttps://t.co/l6w2XQs2f7 pic.twitter.com/NV9ESZqMbp— Javi y Mar…