F ▁FM . ▁Al as , ▁it ▁was ▁the ▁first ▁and ▁only ▁single ▁from ▁On ▁ne ▁change ▁pas ▁in ▁Poland . ▁ ▁Then , ▁in ▁Spring ▁ 2 0 0 6 ▁it ▁was ▁released ▁as ▁a ▁second ▁single ▁in ▁Franc oph one ▁territ ories ▁and ▁v was ▁featured ▁in ▁an ▁animated ▁movie , ▁A ster ix ▁and ▁the ▁Vik ings . ▁The ▁music ▁video ▁with ▁the ▁fragments ▁from ▁the ▁film ▁premier ed ▁on ▁ 2 7 ▁February ▁ 2 0 0 6 . ▁" T ous ▁les ▁secre ts " ▁CD ▁single ▁was ▁issued ▁in ▁Franc oph one ▁countries ▁in ▁Europe ▁on ▁ 1 3 ▁March ▁ 2 0 0 6 ▁and ▁included ▁English - language ▁version ▁of ▁the ▁song , ▁titled ▁" Let ▁Your ▁Heart ▁De cide ". ▁The ▁music ▁video ▁for ▁" Let ▁Your ▁Heart ▁De cide " ▁was ▁also ▁released . ▁Both ▁versions ▁of ▁the ▁song ▁were ▁featured ▁on ▁the ▁film ' s ▁sound track ▁and ▁the ▁music ▁videos ▁were ▁included ▁on ▁the ▁A ster ix ▁and ▁the ▁Vik ings ▁DVD . ▁" T ous ▁les ▁secre ts " ▁reached ▁number ▁twenty ▁in ▁France . ▁ ▁The ▁third ▁single , ▁" I ▁Bel ieve ▁in ▁You " ▁( du et ▁with ▁Il ▁D ivo ) ▁was ▁released ▁on ▁a ▁CD ▁in ▁France ▁and ▁Switzerland ▁on ▁ 1 ▁May ▁ 2 0 0 5 . ▁The ▁single ▁contained ▁another ▁track ▁from ▁Il ▁D ivo , ▁" H asta ▁Mi ▁Final ". ▁Both ▁songs ▁were ▁included ▁on ▁Il ▁D ivo ' s