I just refreshed the directory. There are now about 250
Note that a lot of files have multiple versions and some might be left on say just playing Melody or Just playing Accompaniment.
So play around with Viewing different "Parts" and look under Staff Setup to see which Staffs might be Muted (for each "Part").
Some "Parts" might not have a correct set of staffed unmuted staffs (Like 2 Melodies playing at once). Most should play fine by default.
I jump between playing KeyBoard accompaniment and fiddle and I never know what state I might have last left one.
They are all work in progress.