The inventory of Alkan 's apartment made after his death indicate over 75 volumes in Hebrew or related to Judaism , left to his brother Napoléon ( as well as 36 volumes of music manuscript ) . These are all lost . Bequests in his will to the Conservatoire to found prizes for composition of cantatas on Old Testament themes and for performance on the pedal @-@ piano , and to a Jewish charity for the training of apprentices , was refused by the beneficiaries .