: ▁Con cord ▁Son ata . ▁ ▁D augh ert y ▁also ▁continued ▁his ▁interest ▁in ▁jazz ▁where ▁he ▁worked ▁with ▁Will ie ▁R uff ▁and ▁directed ▁the ▁Y ale ▁Jazz ▁Ens emble . ▁ ▁It ▁was ▁R uff ▁who ▁introduced ▁D augh ert y ▁to ▁jazz ▁arr anger ▁Gil ▁Evans , ▁who , ▁at ▁that ▁time , ▁was ▁looking ▁for ▁an ▁assistant . ▁ ▁For ▁the ▁next ▁several ▁years , ▁D augh ert y ▁tra ve led ▁by ▁train ▁from ▁New ▁H aven ▁to ▁Evans ' ▁private ▁studio ▁in ▁Manh attan . ▁ ▁D augh ert y ▁helped ▁Evans ▁organ ize ▁his ▁music ▁manuscript s ▁and ▁complete ▁projects . ▁ ▁The ▁most ▁notable ▁project ▁was ▁the ▁reconst ruction ▁of ▁the ▁lost ▁arrang ements ▁of ▁P org y ▁and ▁B ess , ▁which ▁was ▁originally ▁used ▁for ▁the ▁ 1 9 5 8 ▁recording ▁with ▁Mil es ▁Davis . ▁ ▁During ▁the ▁summer ▁of ▁ 1 9 8 1 , ▁D augh ert y ▁studied ▁composition ▁with ▁Pul itzer ▁Prize – win ning ▁composer ▁Mario ▁David ov sky ▁as ▁a ▁composition ▁fellow ▁at ▁T angle wood , ▁which , ▁at ▁that ▁time , ▁was ▁ren owned ▁as ▁a ▁bast ion ▁of ▁abstract ▁and ▁at onal ▁music . ▁ ▁It ▁was ▁at ▁T angle wood ▁that ▁D augh ert y ▁met ▁the ▁composer / con duct or ▁Leonard ▁Bern stein . ▁ ▁After ▁hearing ▁D augh ert y ' s ▁music ▁at ▁T angle wood , ▁Bern stein ▁encourag ed ▁D augh ert y