"The Piper at the Gates of Dawn," released on August 5, 1967, is Pink Floyd's debut album. Its psychedelic/space rock sound will leave you giggling or rocking back and forth, or both. Tracks include:

Astronomy Domine
Lucifer Sam
Matilda Mother ("Oh, Mother. Tell me more.")
Flaming ("Yippee! You can't see me, but I can you.")
Pow R. Toc H.
Take Up Thy Stethoscope and Walk
Interstellar Overdrive
The Gnome
Chapter 24
The Scarecrow
Bike ("I know a mouse and he hasn't got a house, I don't know why I call him Gerald.")