Grêmio Foot-Ball Porto Alegrense, founded in Porto Alegre in 1903 and nicknamed Tricolor, plays home matches at Arena do Grêmio, which opened in 2012. As ticketing moved online, the short ingresso confirmation sound became familiar to supporters completing a purchase before a game. Clips of the sound later circulated on Brazilian soundboards and in supporter edits, where it came to signal more than a transaction. For fans it marks the start of the matchday ritual, shared ahead of league and cup fixtures at the Arena.