Energy 52 was a project comprising Paul Schmitz-Moormann and Harald Blüchel. The 1993 track "Café del Mar" became one of the most heard trance songs in the world; its dozens of remixes have appeared on hundreds of compilation albums. In April 2011, the song was voted number one by BBC Radio 1 listeners in Pete Tong's Top 20 Dance Tracks of the last 20 years.