Assuming the teacher means zero Fahrenheit, the same temperature is minus 17.7 degrees Celsius. If the zero is Celsius, changing it to Fahrenheit gives you 32 degrees. But, the teacher said it's going to be twice as cold, and that is something completely different and more complicated.
Beethoven is considered the transitional figure between Classical composers Haydn and Mozart on the one hand, and the Romantics on the other. His innovations included his construction of his Sixth Symphony (The Pastoral) as program music and his expansion of the quartet, concerto, sonata, and symphony forms.
Ludwig van Beethoven (1770-1827) German composer and pianist was the most outstanding figure in the transition between Classical and Romantic periods, and one of the most famous classical music composers of all times. Some of his best works including the 9th symphony were created after he became almost completely deaf.