Input (grade 6): In 1945, BartÃ k composed his Piano Concerto No. 3, a graceful and almost neo-classical work. He began work on his Viola Concerto, but had not completed the scoring at his death.
Output (grade 7): This seemed to make him interested again in composing, and he went on to write his Piano Concerto No. 3 and began work on his Viola Concerto.