ABBA join TikTok with stunning slowed-down piano cover of 'Dancing Queen'

ABBA's music has been trending on TikTok for as long as the video-sharing platform has been around ... and now, the Swedish supergroup has taken the plunge and joined the popular app!

Ahead of the quartet releasing brand new music for the first time in 39 years this week, the band uploaded their first video to TikTok on Sunday night.

Björn Ulvaeus, Benny Andersson, Agnetha Faltskog and Anni-Frid Lyngstad shared a slowed-down piano version of their 1976 hit 'Dancing Queen' - and it is stunning.

ABBA followed up their first video with a second that teased the impending ABBA Voyage announcement which will come on September 2.

"Thank you for waiting, the journey is about to begin," the video said.

The ABBA Voyage will follow the group's comeback and the creation of a purpose-built theatre in East London for their hologram show, reportedly set to open in September.

Fans have been eagerly awaiting new music from the group since they revealed they had recorded five new songs in 2018.

Plans for the comeback were later delayed because of the Covid-19 pandemic.

The group went their separate ways in 1982 at the height of their career.

They performed together for the first time in decades in 2016 at a private event, which marked the 50th anniversary of the first meeting between songwriters Björn and Benny.