The musical gestures and 'mental soundtrack' that Alan narrates, mingled with sounds of preparing the meal in the song gives an visual, humorous representation of the feeling of the first glint of the hallucinogen, to which the song's title refers, as he goes through his normal routine.

The longest tracks are progressions from instrumentals such as ' A Saucerful of Secrets', and ' Interstellar Overdrive' the Atom Heart Mother Suite's split up into 6 parts and features a full orchestra and choir while there are 3 parts of Alan's Psychedelic Breakfast which are joined by dialogue and sound effects of, the roadie and friend of the band, Alan Styles preparing, discussing and eating breakfast as the acid starts to take over.Storm Thorgerson said that he simply drove out into a rural area and photographed the first thing he saw. They requested that their new album have 'something plain', which ended up being the image of the cow. The band wanted to explore all sorts of music without being limited to a particular image or style of performance. The original album cover shows an ordinary cow standing in a pasture, with no text or any other clues as to what's on the record.Abbey Road Session Pops Orchestra - brass, orchestral sections.Alan Stiles - voice on ' Alan's Psychedelic Breakfast'.Ron Geesin - orchestration, co-composition on Atom Heart Mother Suite.Nick Mason - drums, percussion, tape edits, tape collage, additional engineering on ' Alan's Psychedelic Breakfast'.Richard Wright - vocals, keyboards, orchestration, piano on ' Summer '68', bass on ' If'.Roger Waters - vocals, bass, acoustic guitar on ' If', tape effects, tape collage.David Gilmour - vocals, guitar, bass, drums on ' Fat Old Sun' and ' Alan's Psychedelic Breakfast' (Morning Glory).Alan's Psychedelic Breakfast' (13:42) (Some Editions: 13:00).

Atom heart mother cow