Following one of the biggest and most anticipated comebacks - music or otherwise - ever last month, ABBA have released their "ridiculously happy" new single, Just A Notion.
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It is the third single from the Swedish supergroup's new studio album Voyage, which is out Friday, November 5, and is their first studio album since 1981's The Visitors.
The album, recorded at Benny’s studio Riksmixningsverket in Stockholm, includes the previously released singles I Still Have Faith In You and Don’t Shut Me Down.
Speaking about Just A Notion, ABBA’s Björn Ulvaeus says: "Wikipedia says this track was recorded in September 1978, which sounds about right. That puts it in between ABBA the Album and Voulez-Vous, and it would have been included in the latter had we not decided against it.
"Why did we decide against it? In hindsight, I don’t have a clue. It’s a good song with great vocals. I know that we played it to a publisher in France and a couple of other people we trusted and as far as I can remember they liked it very much. So, it’s a mystery and will remain a mystery."
Watch: Björn and Benny tell RTÉ Entertainment about ABBA’s one and only Irish gig.
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He added, "Now Benny has recorded a new backing track to which we've added drums and guitars, but all vocals are from the original 1978 tracks.
"In a way, it demonstrates what we plan to do with ABBA Voyage in 2022. There, we will have a live band playing, but all vocals will be from the old recordings."

"Just a Notion is a ridiculously happy song and hopefully it will cheer you up in these dark times!"
Last month, ABBA - Agnetha, Björn, Benny and Anni-Frid - confirmed their return after nearly 40 years with a new album and with a revolutionary concert that will see them perform as digital avatars at their very own purpose-built 'ABBA Arena’ at Queen Elizabeth Olympic Park in London.
More tickets for the ABBA Voyage show will go on sale on Wednesday, November 3.
ABBA Voyage opens on May 27, 2022 and will see digital versions of ABBA, known as Abbatars, perform the much-loved band’s greatest hits, along with the new tracks, alongside a ten-piece live band, which was put together by musician and former Klaxons keyboardist James Righton, and featuring singer Little Boots.