You'll be able to go and see them ( sort of ) next year.
The group – Benny Andersson, Agnetha Fältskog, Anni-Frid Lyngstad and Björn Ulvaeus – have also announced a new concert experience in London, also called Voyage, beginning in May 2022. Digital versions of themselves (not holograms, their team asserted) will appear nightly alongside a 10-piece live band at a new 3,000-capacity venue in the city’s Olympic park, called the Abba Arena. Tickets go on sale on Tuesday 7 September.
https://www.msn.com/en-gb/entertainment/entertainmentmusic/abba-reunite-for-voyage-first-new-album-in-40-years/ar-AAO24LH?li=AAnZ9Ug