I’ve been struggling with a problem in iTunes where after deleting files and moving my iTunes library from computer to computer it eventually ends up having several missing songs. The songs still show up in the library but they are missing from the disk. When you go to play the song you get an annoying grey exclamation point and iTunes asks if you’d like to find the song. Eventually I stumbled accross this fix in a comment response to an iTunes rant blog:

In the meantime, here’s the solution I came up with for the multiple dead track issue: