Some of the stuff you can use.
Some stuff is just plain junk.
For you, that is. Maybe someone else can use it to fix up an old snare drum. Soon, we'll offer play-along midi files for each groove so that those among us who aren't too hip on reading music can still join in. Check it out, and come back often - we'll continue to update it as often as we have time to dig the old cigarette butts out of the bottom of that cymbal slot. Like I said - something there for everyone.