In spite of their differences, they are often mistaken for one another. They were both born in Israel. They both attended the Julliard School courses. And they both won the Leventritt Award (America's top musical prize).

They have come to London at the end of an European tour together, a tour that has produced immense enthusiasm wherever they have been. Not since Yehudi Menuhin and Isaac Stern played together in Edinburgh in 1953 have two violinists of this calibre seriously set out to harness their individual talents to the disciplines and the pleasures of playing together.

This concert, a last minute addition to this tour, was given in front of an audience of students and musicians, and was filmed for television.