Untilrecently,FannyMendelssohnwasabsentfromthehistorybooks,overshadowedbyherfamouscomposerbrotherandexcludedfromthemale-dominatedworldofclassicalmusic.ButtheworldisfinallyrecognizingthatFelixMendelssohn-Bartholdywasnottheonlygeniusinhisfamily,andthecomprehensivebiopicdirectedbySheilaHayman,adescendantofthistalentedfamily,i...