"Summer Jam" is a song by German-Belgian dance music group the Underdog Project. Released on 24 July 2000 as the lead single from their album It Doesn't Matter, the song was considered a big hit in Europe, peaking at #3 in both Germany and Portugal, #5 in Hungary, #10 in Austria, #14 in Italy, and #17 in Switzerland. After that, the single aired on some of the most popular radio stations in the United States like WPOW in Miami and New York City's WKTU.
"Summer Jam 2003", released in 2003, featured samples of the Sunclub's 1997 hit "Fiesta De Los Tamborileros" and was similarly successful, topping the charts in both Belgium and the Netherlands and reaching the top 5 in Denmark, France, and Romania, the top 20 in the UK, and the top 40 in Sweden and Switzerland.