Anna Charlotta Gunnarson, freelance journalist and Abba fan, also thinks that the song is true to the band's sound.

- It is very familiar in its charm.

When the chorus started there, I got a bonus called duga, says Anna Charlotta Gunnarson in SVT's live broadcast.

Despite the band's long break of four decades, the hype surrounding new music has built up in recent years.

- But now it hits like a bomb that they release an entire album, it's a bit shocking, says Anna Charlotta Gunnarson.

Listen to the new music in the clip above