DJs would load up a truck with a generator, turntables, and huge speakers to set up street parties.
When Jamaicans emigrated to the United Kingdom, the sound system culture followed and became firmly rooted there in the 1970s.
In this context the word sound system is used interchangeably to describe either the group of people or the equipment.
The free party community has been criticized for the unkempt appearance of attendees to such events, accusations of substance abuse of illegal drugs such as MDMA, ketamine, amphetamines and LSD, and complaints about messes left behind by such parties have given the scene a negative reputation.
However, despite such complaints, the scene continues to grow with a large following in Bristol, Abergavenny, Newport, London, Devon and Cornwall.