"Open Up" is a song recorded by Leftfield featuring John Lydon of Sex Pistols and Public Image Ltd.. It was released as a single on 1 November 1993. The single reached #13 in the UK Singles Chart. The NME reported in their 18 September 1993 issue that "This is the record that people have always wanted Lydon to do." The song also made an appearance on the Hackers soundtrack, and on the album The Best ...in the World ...Ever! Volume 3 in 1996. The song can also be found on the British Now That's What I Call Music! 26. It is also the title track to the Acclaim baseball video game All-Star Baseball 2000.