ILC 1 expanded class xm54

      xm54     pitch class

xm54  [:]	pitch class
xm54c	C, do, ut
xm54d	C#, do diesis
xm54e	D, re
xm54f	D#, mi bemolle
xm54g	E, mi
xm54h	F, fa
xm54i	F#, fa diesis
xm54j	G, sol
xm54k	G#, sol diesis
xm54l	A, la
xm54m	A#, si bemolle
xm54n	B, si
xm57  [xm54]	in tonality, key

or

Facets key
0  under aspect      
1  at time           
2  in place          
3  through process   
4  made of element   
5  with organ        
6  from origin       
7  to destination    
8  like pattern      
9  of kind