On NUMBER@1 April NUMBER@2 , during a performance of PERSON@1 's Piano Concerto at LOCATION@1 , with PERSON@2 conducting the LOCATION@2 , PERSON@3 had a cerebral hemorrhage , collapsed , and died backstage shortly after .

PERSON@3 died of a massive bleeding in brain during a performance of PERSON@4 's Piano Concerto at LOCATION@1 with LOCATION@2 .
