, ▁Mort on ▁Feld man , ▁and ▁Pierre ▁Bou lez . ▁ ▁In ▁ 1 9 7 8 , ▁Bou lez , ▁then ▁the ▁Music ▁Director ▁of ▁the ▁New ▁York ▁Phil harm onic , ▁invited ▁D augh ert y ▁to ▁apply ▁to ▁his ▁recently ▁opened ▁computer ▁music ▁inst itute ▁in ▁Paris : ▁I RC AM ▁( Institut ▁de ▁Re cher che ▁et ▁Co ord ination ▁Ac oust ique / Mus ique ). ▁ ▁A ▁Ful br ight ▁Fellow ship ▁enabled ▁D augh ert y ▁to ▁move ▁to ▁Paris ▁to ▁study ▁computer ▁music ▁at ▁I RC AM ▁from ▁ 1 9 7 9 – 8 0 . ▁ ▁During ▁his ▁time ▁at ▁I RC AM , ▁he ▁met ▁many ▁compos ers ▁such ▁as ▁Luci ano ▁Ber io , ▁G ér ard ▁Gr ise y , ▁Tod ▁Mach over , ▁and ▁Frank ▁Z appa . ▁ ▁In ▁Paris , ▁D augh ert y ▁had ▁the ▁opportunity ▁to ▁hear ▁contemporary ▁music ▁by ▁the ▁leading ▁European ▁compos ers ▁of ▁the ▁time ▁performed ▁by ▁the ▁Ens emble ▁l ' It in éra ire ▁and ▁ ▁Bou lez ' s ▁Ens emble ▁Inter Cont empor ain . ▁ ▁He ▁also ▁attended ▁analysis ▁classes ▁given ▁by ▁B ets y ▁J olas ▁at ▁the ▁Conserv atoire ▁National ▁Sup érieur ▁de ▁Mus ique ▁de ▁Paris . ▁ ▁In ▁the ▁fall ▁of ▁ 1 9 8 0 , ▁D augh ert y ▁returned ▁to ▁America ▁to ▁purs ue ▁doctor al ▁studies ▁in ▁composition ▁at ▁the ▁Y ale ▁School ▁of ▁Music . ▁ ▁During