ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: Former ABBA members Anni-Frid Lyngstad, Benny Andersson and Bjorn Ulvaeus attended the opening party for ABBA The Museum in Stockholm on Monday (May 6) evening.<br/> <br />The permanent exhibition within a hall of fame of Swedish pop music opens to the public on Tuesday (May 7) and organisers hope to attract hundreds of thousands of visitors annually on a pop nostalgia trip.<br/> <br />Ulvaeus, who has been the main ABBA member behind the museum, said he had many fantastic memories from the time together as a group.<br/> <br />"I have so many, it's impossible to say. I mean one big thing was winning the Eurovision Song Contest of course in 1974, that was one of the highlights, but many, many more," he said.<br/> <br />The catchy tunes, outlandish costumes and shimmering boots that made ABBA a global phenomenon all feature in the new museum.<br/> <br />Ulvaeus said they had achieved what they hoped for with the museum.<br/> <br />"I feel that we've, you know, achieved I