Notice
From measure 9 - 28 the E is to be performed as a glissando with the fingernail of the right hand on the winding of the 6th string.
Guitar II is to be performed by the thumb striking the saddle.
Guitar III is to be performed by the fingernail of the index finger striking the saddle.
Guitar IV is to be performed by pulling down the 6th string with the first finger of the left hand from fret V from the neck in such as way as to extract a trembling long sound, similar the the sound of a sitar.