Check out the album Everything Sucks Demos (Chad on Vocals) by DESCENDENTS, available for free on Grooveshark.
Anyone ever hear these? Apparently Everything Sucks was originally recorded to be an ALL album, but when Milo expressed interest in recording and playing again they used it for the Descendents. It’s pretty cool because some of these songs with Chad’s vocals make a lot of sense. Not sure if the background behind this is correct or not, but still worth a listen.