PERSON@1 was often criticized for neglecting MISC@1 music ; however , on November NUMBER@1 , NUMBER@2 , he conducted the world premieres of two orchestral works by PERSON@2 , ORGANIZATION@1 .

However , in NUMBER@2 , he conducted the world premieres of two orchestral works by PERSON@2 , Adagio for Strings and ORGANIZATION@2 -LRB- Barber -RRB- | Essay for Orchestra .
