▁At ▁the ▁time , ▁Hoff man ▁had ▁no ▁experience ▁in ▁producing , ▁writing ▁or ▁developing ▁motion ▁picture ▁projects . ▁At ▁Hoff man ' s ▁request , ▁the ▁music ▁of ▁October ▁Country , ▁a ▁band ▁he ▁was ▁man aging ▁at ▁the ▁time , ▁was ▁used ▁for ▁the ▁film . ▁ ▁In ▁exchange ▁for ▁the ▁finan cing ▁provided ▁by ▁Hoff man , ▁Hoff man ▁exact ed ▁from ▁Spiel berg ▁the ▁young ▁film maker ' s ▁agreement ▁to ▁( a ) ▁direct ▁Amb lin ▁for ▁no ▁compens ation ▁what so ever ▁and ▁( b ) ▁be ▁bound ▁for ▁ten ▁years ▁to ▁direct ▁any ▁script ▁selected ▁by ▁Hoff man ▁if ▁such ▁a ▁script ▁was ▁brought ▁to ▁Spiel berg ▁by ▁Hoff man . ▁For ▁this ▁second ▁film , ▁Spiel berg ▁was ▁to ▁receive ▁the ▁payment ▁of ▁$ 2 5 , 0 0 0 ▁plus ▁ 5 % ▁of ▁the ▁prof its ▁after ▁exp enses ▁( the ▁so - called ▁" 1 9 6 8 ▁Amb lin ▁Cont ract "). ▁▁ ▁Production ▁ ▁Amb lin ''' ▁started ▁shooting ▁on ▁July ▁ 6 , ▁ 1 9 6 8 , ▁at ▁Den is ▁Hoff man ' s ▁C ine fx ▁sound stage . ▁The ▁film ing ▁comm enced ▁with ▁a ▁complicated ▁tracking ▁shot ▁following ▁a ▁trail ▁of ▁matches ▁leading ▁to ▁a ▁bon fire ▁shot ▁in ▁the ▁studio ▁in ▁order ▁that ▁cinemat ograph er ▁Allen ▁Dav ia u ▁could ▁control ▁the ▁light ing . ▁After ▁C ine fx ▁and ▁the ▁film ing ▁of ▁the ▁final ▁sequence ▁outside ▁Jack ▁Pal ance '