▁and ▁started ▁" pre aching " ▁impro vis ation ally , ▁pun ctu ating ▁his ▁points ▁with ▁" I ▁have ▁a ▁dream ." ▁ ▁The ▁speech ▁was ▁draft ed ▁with ▁the ▁assistance ▁of ▁Stanley ▁Le vis on ▁and ▁Clar ence ▁Benjamin ▁Jones ▁in ▁River dale , ▁New ▁York ▁City . ▁Jones ▁has ▁said ▁that ▁" the ▁log ist ical ▁prepar ations ▁for ▁the ▁march ▁were ▁so ▁bur dens ome ▁that ▁the ▁speech ▁was ▁not ▁a ▁priority ▁for ▁us " ▁and ▁that , ▁" on ▁the ▁evening ▁of ▁T ues day , ▁Aug . ▁ 2 7 , ▁[ 1 2 ▁hours ▁before ▁the ▁march ] ▁Martin ▁still ▁didn ' t ▁know ▁what ▁he ▁was ▁going ▁to ▁say ". ▁ ▁Le ading ▁up ▁to ▁the ▁speech ' s ▁rend ition ▁at ▁the ▁Great ▁March ▁on ▁Washington , ▁King ▁had ▁delivered ▁its ▁" I ▁have ▁a ▁dream " ▁ref ra ins ▁in ▁his ▁speech ▁before ▁ 2 5 , 0 0 0 ▁people ▁in ▁Detroit ' s ▁Cob o ▁Hall ▁immediately ▁after ▁the ▁ 1 2 5 , 0 0 0 - strong ▁Great ▁Walk ▁to ▁Fre edom ▁in ▁Detroit , ▁June ▁ 2 3 , ▁ 1 9 6 3 . ▁After ▁the ▁Washington , ▁D . C . ▁March , ▁a ▁recording ▁of ▁King ' s ▁Cob o ▁Hall ▁speech ▁was ▁released ▁by ▁Detroit ' s ▁G ord y ▁Records ▁as ▁an ▁LP ▁entitled ▁" The ▁Great ▁March ▁To ▁Fre edom ". ▁ ▁Spe ech ▁W id ely ▁ha iled ▁as ▁a ▁master