- I wanted to think for a while when I got the question, says Birgitta "Gittan" Wollgård 40 years after the tour which was a smash hit.
She and her husband Lasse had vacation plans that did not coincide with the packed tour schedule around the world.
- But I thought, I can not miss this chance and Lasse was with us for two weeks when we were in the US.
The memories are brought to life now when ABBA releases new music, and Birgitta Wollgård is clear about why the band is reunited to the great joy of many.
- They want to tie the sack together, she says.
The clip: Hear what "Gittan" thinks about the new ABBA song.