Ace of Base – The Sign In the early 1990s, Sweden brought a fresh wave of pop music to the world, and Ace of Base was at the forefront of that movement. Their hit The Sign became one of the defining songs of the decade, solidifying the group’s international fame and remaining a key reference point in the history of ’90s pop. Song Overview Released in 1993 on the album The Sign (known in Europe as Happy Nation – U.S. Version), the track blends Euro-pop with reggae-inspired rhythms, creating an instantly catchy number. The lyrics revolve around self-realization and new ...