shostakovich 's invention is not perhaps of the most distinguished in this work , which is just a very good performance 'on the shostakovich ' ; but harrell read in a marvellous intensity everywhere and the orchestra answered kreizberg 's evident commitment with a high-tension accompaniment notable for individual excellences -lrb- the sturdy peculiar horn calls at the end of the first movement , the split -second demented xylophone interjections of the scherzo -rrb- as well as formidable group cohesiveness .