You'll Ruin It for Everyone is a live album by Crass

Crass

Crass are an English punk rock band that was formed in 1977, which promoted anarchism as a political ideology, way of living, and as a resistance movement. Crass popularised the seminal anarcho-punk movement of the punk subculture, and advocated direct action, animal rights, and environmentalism...

 recorded at the Lesser City Hall in Perth, Scotland

Perth, Scotland

Perth is a town and former city and royal burgh in central Scotland. Located on the banks of the River Tay, it is the administrative centre of Perth and Kinross council area and the historic county town of Perthshire...

, on July 4, 1981. It was released in 1993 on Pomona Records with the band's permission, and rereleased with different packaging in 2001.
The album's title is taken from a comment made from the stage by Crass singer Steve Ignorant

Steve Ignorant

Steve Ignorant is a singer and artist. He co-founded the anarcho-punk band Crass with Penny Rimbaud in 1977. After Crass stopped performing in 1984, he has worked with other groups including Conflict, Schwartzeneggar, The Stratford Mercenaries, Current 93 , US punk band Thought Crime, as well as...

 whilst trying to stop a group of skinhead

Skinhead

A skinhead is a member of a subculture that originated among working class youths in the United Kingdom in the 1960s, and then spread to other parts of the world. Named for their close-cropped or shaven heads, the first skinheads were greatly influenced by West Indian rude boys and British mods,...

s in the audience from fighting.

Track listing

1. "Punk Is Dead"
2. "Nagasaki Nightmare"
3. "Darling"
4. "Anti-Mother"
5. "Mother Love"
6. "Reality Whitewash"
7. "Heard Too Much About"
8. "System"
9. "Big Man, Big M.A.N."
10. "Health Surface"
11. "Big A Little A"
12. "You've Got Big Hands"
13. "Tired"
14. "Rival Tribal Rebel Revel"
15. "Poison in a Pretty Pill"
16. "Berkertex Bribe"
17. "They've Got a Bomb"