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a type of psychedelic music with a strong back beat, often played at nightclubs where people take ecstasy and engage in wild dancing.
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Acid house is a variant of house music characterized by the use of simple tone generators with tempo-controlled resonant filters. It began when musicians discovered that they could create interesting sounds with the Roland TB-303 analogue bass synthesizer by tweaking the resonance and frequency cut-off dials as they played. The term "acid" was used in Chicago at the time as a term for the squelchy "acid" sounds of such bass synthesizers such as the TB-303, and has no connection to LSD (in fact

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