ILC 1 expanded class xms

      xms    European classical music 

xms	European classical music
xmsa	early classical music
xmsb	baroque music, baroque era including Bach, Vivaldi
xmsl	classical period music including Haydn, Mozart
xmsr	romantic music including Beethoven, Wagner

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