The technique is a means of
ensuring that all 12 notes of the chromatic scale are sounded
as often as one another in a piece of music while preventing
the emphasis of any one note[3] through the use of tone rows ,
an ordering of the 12 pitches.
The 12 pitches are:
C C# D D# E F F# G G# A A# B
Tone Row:
wikipedia.org
Chromatic Scale:
www.guitar-theory-in-depth.com