" ▁for ▁the ▁film . ▁However , ▁R SO ▁Records ▁chairman ▁and ▁Be e ▁Ge es ▁manager ▁Robert ▁St ig wood , ▁who ▁was ▁executive - produ cing ▁the ▁Saturday ▁Night ▁F ever ▁album , ▁dict ated ▁that ▁the ▁Be e ▁Ge es ▁record ▁" How ▁Deep ▁Is ▁Your ▁Love " ▁and ▁Ell iman ▁be ▁given ▁the ▁disco - style ▁" If ▁I ▁Can ' t ▁Have ▁You ". ▁ ▁St ig wood ' s ▁dec isions ▁proved ▁a ▁success ▁as ▁the ▁sound track ' s ▁first ▁single , ▁the ▁Be e ▁Ge es ' ▁version ▁of ▁the ▁ball ad ▁" How ▁Deep ▁Is ▁Your ▁Love ", ▁shot ▁to ▁number ▁one , ▁followed ▁to ▁the ▁top ▁spot ▁by ▁the ▁sound track ' s ▁second ▁and ▁third ▁singles , ▁also ▁by ▁the ▁Gib b ▁brothers , ▁" St ay in ' ▁A live " ▁and ▁" N ight ▁F ever ". ▁Ell iman ' s ▁" If ▁I ▁Can ' t ▁Have ▁You ", ▁produced ▁by ▁Per ren , ▁was ▁released ▁as ▁the ▁fourth ▁single ▁off ▁the ▁Saturday ▁Night ▁F ever ▁album ▁in ▁February ▁ 1 9 7 8 . ▁As ▁the ▁first ▁single ▁off ▁the ▁Saturday ▁Night ▁F ever ▁sound track ▁not ▁performed ▁by ▁the ▁Be e ▁Ge es , ▁" If ▁I ▁Can ' t ▁Have ▁You " ▁would ▁become ▁the ▁fourth ▁number ▁ 1 ▁hit ▁from ▁the ▁album , ▁reaching ▁the ▁number ▁one ▁spot ▁on ▁the ▁US ▁Hot ▁ 1 0 0 ▁in ▁Billboard ▁dated ▁May ▁ 1 3 , ▁