System 7 are a UK-based electronic dance music band. Due to the existence of another band called System Seven they were initially billed as 777 in North America. System 7 was also the name of the current version of the Macintosh operating system at the time, although this was not the reason for the temporary name change. Hillage and Giraudy later launched a chill-out and downtempo sister project called Mirror System, and have also worked under the name Groovy Intent.