The band turned down a $1 billion offer to reform in 2000, and have not had a change of heart. "All my life, and I brought my love of your songs to my daughters", one woman wrote. It would be such hassle.
According to the group's manager Gorel Hanser, nothing had changed, "It was the same wonderful chemistry".
But you won't be seeing them, in flesh and blood, on the road.
After announcing last fall that it'll be touring as holograms in 2019, ABBA has added more fuel to the fire: The band is working on new music and an NBC special too. If the response is vocal enough, they might feel compelled to put together a whole new album. Bands notoriously break up and make-up, so it's somewhat shocking that it has taken the four-piece so long to take the plunge. Agnetha, Benny, Bjorn, Anni-Frid'.
Time away from the spotlight only enhanced their popularity. He was one of the world's most successful DJs.
Back together: The group appeared together after years of feuding at "Mamma Mia!". Let's hope that the new Abba music matches the initial optimism.
Mamma Mia! is a 1999 Broadway musical that was made into a movie in 2008, with a sequel coming out this summer.
Earlier during a speech in Brussels 73-year-old Bjorn Ulvaeus, one of the members of the popular Quartet, spoke about the "virtual tour", scheduled for 2019 or 2020.
"It will be like you're in 1977, with a live band, live backing vocals, great set design with lights and sound, everything will be like a live concert".
The statement concluded: "We may have come of age, but the song is new". You'll see us up there.
"Nobody can have been as badly dressed on stage as we were", Ulvaeus said.
Despite their controversial getups, Andersson said in the book, "I've never regretted any picture ... just grin and bear it".