"After opening a red-paneled module on the [vintage Buchla Model 100 modular synthesizer], he noticed there was 'a crust or a crystalline residue on it.'"

"Naturally, he did what any person tasked with fixing up an [instrument that had been lying around for 50 years] would do: spray some cleaner on it, pick at the residue with his finger, and try to dislodge it by scratching it off. But 45 minutes later, he started to feel some tingling. It was the start of a nine-hour acid trip."

From "Synth repairman accidentally gets high after touching old LSD on a vintage ’60s synthesizer/The strain was possibly from Owsley Stanley, the Grateful Dead's notorious sound engineer" (Consequence of Sound).