ULVER - HISTORY. Abgerufen am 6. Oktober 2010 (englisch): „The beastliness begins with Bergtatt (1994), is balanced with the all acoustic, neo-folk album Kveldssanger (1995), before returning with even more impact on Nattens Madrigal (1996), where the pure anger and anguish is a consequence of the quintessential lycanthropic lyrics.“