"I'm Going Slightly Mad" is a Queen song, written by Freddie Mercury. It is the second track on the 1991 album Innuendo. Although the song appears to be very humorous and light-hearted, many people believe the song has darker undertones and is inspired by AIDS-induced dementia and that it tells how he felt in his fight against the disease.

The accompanying video is one of Queen's most famous, along with Bohemian Rhapsody and I Want to Break Free. Despite Mercury's failing health at that time, he is very mobile in the video. The video - like all other Innuendo videos directed by Rudi Dolezal and Hannes Rossacher of DoRo Productions - also features the band dressed and acting in very absurd ways, including but not limited to guitarist Brian May dressed as a penguin, drummer Roger Taylor wearing a tea kettle on his head, a man in a gorilla suit, who was later revealed to be Elton John, bassist John Deacon as a jester, and Mercury wearing a bunch of bananas as a wig. In interviews Brian May has said that it was (with These Are the Days of Our Lives) the last video Mercury shot and that he was already very ill at the time. At the end of the video, there is a, perhaps intentional, goof, where the stairs on which John Deacon is standing disappear, as does John Deacon as well, leaving nothing but the jester hat left, as the video fades out. (Thanks Wikipedia)