Listen to The Sign (Karaoke Version) [Originally Performed by Ace of Base] online. The Sign (Karaoke Version) [Originally Performed by Ace of Base] is an English language song and is sung by Karoline Karaoke. The Sign (Karaoke Version) [Originally Performed by Ace of Base], from the album Karaoke Party with Karoline, Vol. 25, was released in the year 2017. The duration of the song is 3:09. Download English songs online from JioSaavn.