Björn Ulvaeus and Anni-Frid Lyngstad, one half of Abba, the most successful recording group of all-time, were on hand for the opening of their brand new exhibit. Abba World is a new interactive museum based on the group now open in London's Earls Court.

Abba is not filling in for the late Michael Jackson in his "This Is It" London shows. Benny Anderson denies that the Swedish band will be reforming as a replacement for the King of Pop's O2 Arena gigs.

After a gap of 15 years, Swedish pop group ABBA's stars Benny Andersson and Björn Ulvaeus have written a new song. The song, titled "Story Of A Heart," will be released on July 6.