La canción es parte del álbum The Dark Side of the Moon, lanzado en 1973. Aborda temas como la locura y la presión social. Según Roger Waters, la canción fue inspirada por su observación de que las personas tienden a ocultar su locura para encajar en la sociedad.
Tono: D
Introducción:
D
D
G7
The lunatic is on the grass.
D
G7
The lunatic is on the grass.
D
E
Remembering games and daisy chains and laughs.
A7
D
D2
Got to keep the loonies on the path.
D
G7
The lunatic is in the hall.
D
G7
The lunatics are in my hall.
D
E
The paper holds their folded faces to the floor
A7
D
D2
D7
D9
And every day the paper boy brings more.
G
A
And if the dam breaks open many years too soon
C
G
And if there is no room upon the hill
G
A7
And if your head explodes with dark forebodings too
C
G
Bm7
Em7
A
A7
I'll see you on the dark side of the moon.
D
G7
The lunatic is in my head. (laughter)
D
G7
The lunatic is in my head
D
E
You raise the blade, you make the change
A7
D
D2
You re-arrange me 'till I'm sane.
D
You lock the door
E
And throw away the key
A7
D
D2
D7
D9
There's someone in my head but it's not me.
G
A
And if the cloud bursts, thunder in your ear
C
G
You shout and no one seems to hear.
A
A7
A
And if the band you're in starts playing different tunes