Come Sit

Upon the grass, I mean. And I shall come and sit beside you. Presenting a green green six pack, in remembrance of yet another summer gone by.

Robert Wyatt - Grass
Versus - Blade Of Grass
Jayhawks - Tomorrow The Green Grass
The Bachs - Tables Of Grass Fields
Caretakers Of Deception - Cuttin' Grass
The Red Crayola - Vile Vile Grass

Math

You do it, Einstein. A nugget from the first psychedelic era.

Caretakers Of Deception - X + Y = 13 MP3