" ▁sequence ▁he ▁came ▁up ▁with ▁heart be at , ▁breath ing , ▁and ▁a ▁very ▁moving ▁c ello ▁line . ▁ ▁In ▁places ▁throughout ▁the ▁film , ▁te lem etry ▁sounds ▁from ▁space craft ▁were ▁integrated ▁so ▁that ▁they ▁themselves ▁became ▁the ▁music . ▁None ▁of ▁these ▁te lem etry ▁sounds ▁were ▁from ▁Apol lo , ▁because ▁by ▁that ▁time ▁te lem etry ▁was ▁so ▁rapid ▁and ▁of ▁such ▁frequency ▁that ▁even ▁slow ed ▁down ▁was ▁in aud ible ▁to ▁the ▁ear . ▁The ▁te lem etry ▁sounds ▁were ▁taken ▁from ▁Mar iner ▁IV ▁which ▁fle w ▁by ▁Mars ▁many ▁years ▁before , ▁the ▁last ▁time ▁such ▁sounds ▁were ▁aud ible . ▁ ▁The ▁sound ▁of ▁the ▁Apol lo ▁ro cket ▁launch ▁is ▁a ▁mix ▁of ▁V 2 ▁ro cket ▁and ▁atom ▁bomb ▁pun ctu ated ▁by ▁slow ed ▁down ▁struck ▁metal ▁which ▁em ul ates ▁c athedral ▁b ells , ▁creating ▁a ▁thread ▁with ▁the ▁slow ed ▁down ▁br ass ▁in ▁the ▁Stone hen ge ▁music ▁which ▁book ends ▁the ▁film ▁and ▁the ▁pipe ▁organ ▁score ▁linking ▁the ▁Apol lo ▁ 1 1 ▁ro cket ▁flight ▁with ▁micro ▁and ▁macro ▁univers es . ▁ ▁N arr ator ▁According ▁to ▁the ▁film ' s ▁director ▁The o ▁K ame cke ▁speaking ▁on ▁the ▁director ' s ▁comment ary ▁of ▁the ▁ 2 0 0 9 ▁film ▁release ▁the ▁narr ator , ▁Laur ence ▁L uck in b ill , ▁was ▁selected ▁because ▁he ▁was ▁not ▁a ▁narr ator ▁but ▁an ▁actor ▁who