Led Zeppelin - Dazed And Confused (tab), аккорды

The intro should be done using NATURAL HARMONICS like this..
 
 |----12-----5----------------12------5--------------------------------------|
 |-12------5---------------12-------5----------------------------------------|
 --12------------------------5-----------------------------------|
 ----------------------------------------------------------------|
 ----------------------------------------------------------------|
 ----------------------------------------------------------------|
 	       ~~~~~~                   ~~~~~~
 
 ~ pretty wild vibrato - since this is a harmonic on an open string you need
   to use a vibrato arm (or if your guitar does not have one you can do this
   by applying pressure to the string above the nut - but this is harder
   to control)