Engineer's can't spawn in noteblock's and i have a picture of the server telling me i can't spawn noteblock's and here's a picture
(http://www.kaise123.com/imgupload/images/2013/04/14/uYtPw.png)
and here's proof I'm an engineer
(http://www.kaise123.com/imgupload/images/2013/04/14/fvlWZ.png)
If you have checked this post: http://forums.kaise123.com/index.php/topic,160.0.html (http://forums.kaise123.com/index.php/topic,160.0.html)
It would show you that Engineers aren't aloud to spawn noteblocks
I will probably add them in when I add MD to Engineers.