There is no 13th FLOOR. It does not exist in any numerical sense in modern buildings nor in our structure of sound.
We pass through the 12th storey and reach a level that's typically reserved for mechanical and construction maintenance. But not here...
Welcome to the 13th letter - the mTH FLOOR - enjoy your stay.
brought to you by FLOOR⁴ :: http://soundcloud.com/F2t4 :: find curated techno and house content via our other channels :: http://j.mp/Floor4
