Oleg Kagan was one of the foremost Russian violinists from the latter half of the twentieth century. While he developed a reputation on his own, many know him for his collaborations with pianist Sviatoslav Richter, as well as for his chamber music activity with a clutch of Soviet artists that included his first wife pianist Elisabeth Leonskaja, second wife cellist Natalia Gutman, pianist Elisso Virssaladze, and violist Yuri Bashmet. Virtuoso violinist David Oistrakh was an ardent admirer of his pupil Kagan, arranging for him to record all of Mozart's concertos while serving as...