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I could have sworn this video was already posted here, but I can't seem to find it anywhere.

This information below is quoted from Wikipedia:

"Ventolin" is named after a trade name for the drug Salbutamol, which is prescribed for the treatment of asthma. A reported side effect of this drug is tinnitus, a high pitched ringing in the ears.

James utilized this effect in "Ventolin", incorporating a piercing high-pitched ringing sound throughout the track. The music also incorporates heavily distorted techno beats. The resulting effect has been cited as "one of the most abrasive singles ever recorded".