This dispute originated in a disagreement over the production of his PERSON@1 in NUMBER@1 ; however the composer later conducted his Requiem there on NUMBER@2 May NUMBER@3 , and in NUMBER@4 announced that LOCATION@1 would host the premiere of his opera Otello .

However the composer later conducted his Requiem there on May NUMBER@2 , NUMBER@3 , and in NUMBER@4 announced that LOCATION@1 would host the premiere of his opera Otello .
