Barbican, London, will present a summer concert of Japanese violinist Taro Hakase on July 12, 2019.Taro Hakase is one of Japan's best-loved technically dazzling violinists. He introduces each piece with a few words " and probably a joke. Hakase first appeared on the international music scene in 1996, when he recorded "To Love You More" with Celine Dion, which went on to become a No. 1 hit. In 2007, he moved to London…