Add state to the random song chooser, so it doesn't choose the same songs twice....
[ccbs] / sql /
drwxr-xr-x   ..
-rw-r--r-- 462 basic-data.sql
drwxr-xr-x - cc04
-rw-r--r-- 4214 ccbs.sql
-rw-r--r-- 124 em2-machinesongs.sql
-rw-r--r-- 77986 em2-songlist.sql