First of two programmes featuring the Japanese violinist who won the 1986 Indianapolis International Violin Competition at the age of 19. Tchaikovsky Valse scherzo with Rohan de Silva (piano) Ysaye Sonata No 4, for violin Tchaikovsky Serenade melancolique with the Indianapolis Symphony Orchestra conducted by John Nelson Brahms Sonata No 3, in D minor with Rohan de Silva (piano) (WFIU recordings) (R)