Shortly after the cassettes were produced, Holger left Sopor Aeternus. All of Sopor Aeternus' videos have been directed by Anna-Varney Cantodea herself. Sopor Aeternus has released promotional videos to accompany their music. Sopor Aeternus' second album, "Todeswunsch", was an abrupt change in direction. Rivers would go on to produce all new Sopor Aeternus' albums. The first half of the EP remains some of Sopor Aeternus' most pop-oriented work yet. Sopor may be caused by a drug; such drugs are deemed soporific. A stupor is more severe than a sopor. Methaqualone was also manufactured in the US under the trade names Sopor and Parest. The Vision Bleak, Sopor Aeturnus, Diary of Dreams, The Gathering and Deinonychus.