ɪɾ ˌɪntɹədˈuːst ɐ mˈoːɹ tˈɛknɪkəl ænd pɹəɡɹˈɛsɪv ˈɛlɪmənt tə ðə bˈændz mjˈuːzɪk ðɐn ðə ɹˈɔː sˈaʊnd ʌv ɪts pɹˈɛdᵻsˌɛsɚz, pɹɪzˈɛntɪŋ tˈuː ˌɪnstɹəmˈɛntəlz ænd sˈɛvɹəl sˈɔŋz lˈæstɪŋ mˈoːɹ ðɐn fˈaɪv mˈɪnɪts.
It introduced a more technical and progressive element to the band's music than the raw sound of its predecessors, presenting two instrumentals and several songs lasting more than five minutes.