Opera heard in his earlier operas such as "Der fliegende Holländer", "Tannhäuser" and "Lohengrin"; and he was prepared to violate accepted musical conventions, such as tonality, in his quest for greater expressivity. In his mature music dramas, "Tristan und Isolde", "Die Meistersinger von Nürnberg", "Der Ring des Nibelungen" and "Parsifal", he abolished the distinction between aria and recitative in favour of a seamless flow of "endless melody". Wagner also brought a new philosophical dimension to opera in his works, which were usually based on stories from Germanic or Arthurian legend. Finally, Wagner built his own opera house at Bayreuth with part
Features of the Opera web browser by installing a session manager extension. The tabbed browsing features that have been available in the older versions. In addition to the web browser, the other main component in the desktop versions of the Opera suite is the Opera Mail e-mail client. Opera Mail supports regular POP and SMTP mail as well as IMAP. It also has an Address book. Opera Mail also features a newsreader and a newsfeed reader for RSS and Atom, as well as an IRC client for online chat. (RSS Reader/News Client now available is moden opera) Since: Opera 9.50, released June 12, 2008. Opera Link