We as Human, was a Christian rock band, played a show with which band, sometimes abbreviated as A7X?
Avenged Sevenfold Avenged Sevenfold (sometimes abbreviated as A7X) is an American heavy metal band from Huntington Beach, California, formed in 1999. The band's current lineup consists of lead vocalist M. Shadows, rhythm guitarist and backing vocalist Zacky Vengeance, lead guitarist and backing vocalist Synyster Gates, bassist and backing vocalist Johnny Christ, and drummer Brooks Wackerman.
System 7 (band) 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.