Rarely heard outside of the studio, song demos usually serve as a rough, first draft of what's to come.
But occasionally, some early versions get it right the first time, sounding just as good -- if not better -- than some of their more polished counterparts.
Listen to the playlist below for some prime examples of outstanding demos featured in the latest Collector's Crossroads episode "Demo-Graphic."
Hear the stories on Collector's Crossroads each week: Thursday at 3 p.m., Saturday at 6 p.m. and Sunday at 4 p.m.
Check out previous Collector's Crossroads playlists.