Seattle Sounders FC - Sounders! clap-clap-clap! Sounders! clap-clap-clap! Along with a fast-paced, attacking style on the field, the Seattle Sounders bring one of the most passionate fan bases in the league. The energetic chanting of the Seattle faithful matches the team's vibrant colors and has the stadium rocking each time the Sounders take the pitch. Sing along in support of the team in your official Seattle Sounders soccer jersey, available here at WorldSoccerShop.